Given the task definition and input, reply with output. In this task, you're given passages that contain mentions of names of people, places, or things. Some of these mentions refer to the same person, place, or thing. Your job is to write questions that evaluate one's understanding of such references. Good questions are expected to link pronouns (she, her, him, his, their, etc.) or other mentions to people, places, or things to which they may refer. Do not ask questions that can be answered correctly without understanding the paragraph or having multiple answers. Avoid questions that do not link phrases referring to the same entity. For each of your questions, the answer should be one or more phrases in the paragraph, and it should be unambiguous.

Passage: Capitol Records, from December 1963 when it began issuing Beatles recordings for the US market, exercised complete control over format, compiling distinct US albums from the band's recordings and issuing songs of their choosing as singles. In June 1966, Yesterday and Today, one of Capitol's compilation albums, caused an uproar with its cover, which portrayed the grinning Beatles dressed in butcher's overalls, accompanied by raw meat and mutilated plastic baby dolls. It has been incorrectly suggested that this was meant as a satirical response to the way Capitol had "butchered" the US versions of their albums. Thousands of copies of the LP had a new cover pasted over the original; an unpeeled "first-state" copy fetched $10,500 at a December 2005 auction. In England, meanwhile, Harrison met sitar maestro Ravi Shankar, who agreed to train him on the instrument.During a tour of the Philippines the month after the Yesterday and Today furore, the Beatles unintentionally snubbed the nation's first lady, Imelda Marcos, who had expected them to attend a breakfast reception at the Presidential Palace. When presented with the invitation, Epstein politely declined on the band members' behalf, as it had never been his policy to accept such official invitations. They soon found that the Marcos regime was unaccustomed to taking no for an answer. The resulting riots endangered the group and they escaped the country with difficulty. Immediately afterwards, the band members visited India for the first time.
What was the name of the person Shankar agreed to train on the sitar?