Problem: I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "After setting up his workshop, Bell continued experiments based on Helmholtz's work with electricity and sound. He also modified a melodeon (a type of pump organ) so that it could transmit its music electrically over a distance. Once the family was settled in, both Bell and his father made plans to establish a teaching practice and in 1871, he accompanied his father to Montreal, where Melville was offered a position to teach his System of Visible Speech."?

A: __ was a pioneer in the scientific study of human vision and audition

Problem: Given the question: I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "Nevertheless, it was radar that proved to be critical weapon in the night battles over Britain from this point onward. Dowding had introduced the concept of airborne radar and encouraged its usage. Eventually it would become a success. On the night of 22/23 July 1940, Flying Officer Cyril Ashfield (pilot), Pilot Officer Geoffrey Morris (Observer) and Flight Sergeant Reginald Leyland (Air Intercept radar operator) of the Fighter Interception Unit became the first pilot and crew to intercept and destroy an enemy aircraft using onboard radar to guide them to a visual interception, when their AI night fighter brought down a Do 17 off Sussex. On 19 November 1940 the famous RAF night fighter ace John Cunningham shot down a Ju 88 bomber using airborne radar, just as Dowding had predicted."?
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The answer is:
Besides the Do 17, what other kind of aircraft does the article mention getting destroyed thanks to the usage of radar?

input question: I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "According to a 2011 projection by the International Energy Agency, solar power plants may produce most of the world's electricity within 50 years, significantly reducing the emissions of greenhouse gases that harm the environment. The IEA has said: "Photovoltaic and solar-thermal plants may meet most of the world's demand for electricity by 2060 – and half of all energy needs – with wind, hydropower and biomass plants supplying much of the remaining generation". "Photovoltaic and concentrated solar power together can become the major source of electricity"."????
output answer: What does wind plants not produce?

I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "Times Atlases have been produced since 1895. They are currently produced by the Collins Bartholomew imprint of HarperCollins Publishers. The flagship product is The Times Comprehensive Atlas of the World."?
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Answer: what is the third word in the first paragraph ?

Q: I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "It criticised Forsyth's decision to record a conversation with Harry as an abuse of teacher–student confidentiality and said "It is clear whichever version of the evidence is accepted that Mr Burke did ask the claimant to assist Prince Harry with text for his expressive art project ... It is not part of this tribunal's function to determine whether or not it was legitimate." In response to the tribunal's ruling concerning the allegations about Prince Harry, the School issued a statement, saying Forsyth's claims "were dismissed for what they always have been - unfounded and irrelevant." A spokesperson from Clarence House said, "We are delighted that Harry has been totally cleared of cheating.""?
A: Who was allegedly asked to assist Prince Harry?

[Q]: I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "The Gold Standard Act of 1900 abandoned the bimetallic standard and defined the dollar as 23.22 grains (1.505 g) of gold, equivalent to setting the price of 1 troy ounce of gold at $20.67. Silver coins continued to be issued for circulation until 1964, when all silver was removed from dimes and quarters, and the half dollar was reduced to 40% silver. Silver half dollars were last issued for circulation in 1970. Gold coins were confiscated by Executive Order 6102 issued in 1933 by Franklin Roosevelt. The gold standard was changed to 13.71 grains (0.888 g), equivalent to setting the price of 1 troy ounce of gold at $35. This standard persisted until 1968."?
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[A]:
When was the half dollar last issued by the government?