Please answer the following question: Information:  - Europe is a continent that comprises the westernmost part of Eurasia. Europe is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, and the Mediterranean Sea to the south. To the east and southeast, Europe is generally considered as separated from Asia by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways of the Turkish Straits. Yet the non-oceanic borders of Europea concept dating back to classical antiquityare arbitrary. The primarily physiographic term "continent" as applied to Europe also incorporates cultural and political elements whose discontinuities are not always reflected by the continent's current overland boundaries.  - Abandoning previous ventures in favor of toys in the 1960s, Nintendo then developed into a video game company in the 1970s, ultimately becoming one of the most influential in the industry and Japan's third most-valuable company with a market value of over $85 billion. From 1992 until 2016, Nintendo was also the majority shareholder of Major League Baseball's Seattle Mariners.  - X (  Ekkusu ) is a three - dimensional first - person shooter video game released for the Game Boy only in Japan on May 29 , 1992 . The game was developed and published by Nintendo , with assistance from Argonaut Software . X was followed by an internationally released DSiWare exclusive sequel , X-Scape , in 2010 .  - At the end of each Major League Baseball season, the league leaders of various statistical categories are announced. Leading the league in a particular category is referred to as a "title".  - The is an 8-bit handheld video game device with interchangeable cartridges developed and manufactured by Nintendo, which was first released in Japan on , in North America on and in Europe on . It is the first handheld console in the Game Boy line and was created by Satoru Okada and Nintendo Research & Development 1. This same team, led by Gunpei Yokoi at the time, is credited with designing the Game & Watch series as well as several popular games for the Nintendo Entertainment System. Redesigned versions were released in 1996 and 1998 in the form of Game Boy Pocket and Game Boy Light (Japan only), respectively.    What entity does 'x ' has the relation 'producer' with?
Answer:
gunpei yokoi