Question: James T. Prokopanko was the CEO of what Fortune 500 company based in Plymouth, Minnesota?

Context paragraphs:
Sonic Automotive: Sonic Automotive, Inc. () is a Fortune 500 company based in Charlotte, North Carolina, and is the fifth largest automotive retailer in the United States.  The company’s founder and Executive Chairman O. Bruton Smith is also the Executive Chairman and a director of Speedway Motorsports (NYSE: TRK).  Sonic ranked 297th on the 2016 Fortune 500 list.  The company also is a member of the Russell 2000 index.

Ilene S. Gordon: Ilene S. Gordon (born in 1953) became CEO, president, and chairman of Ingredion (formerly Corn Products International) in May, 2009 and became the 21st female CEO of a Fortune 500 company when Ingredion’s sales reached $6 billion for the first time, in 2012.  As of 2014 she was one of only 24 women who were CEOs of Fortune 500 companies.

HollyFrontier: The HollyFrontier Corporation is a Fortune 500 company based in Dallas, TX.  HollyFrontier is a petroleum refiner and distributor of petroleum products, from gasoline to petroleum-based lubricants and waxes.  George Damaris currently holds the title as CEO.  The company has primary refining operations in Kansas, New Mexico, Oklahoma, Utah, and Wyoming

The Mosaic Company: The Mosaic Company is a Fortune 500 company based in Plymouth, Minnesota, a Minneapolis suburb.  Mosaic mines two key crop nutrients—phosphate and potash—and produces specialty products MicroEssentials, K-Mag and Pegasus.  It is the largest U.S. producer of potash and phosphate fertilizer.

Nash Finch Company: The Nash Finch Company was a Fortune 500 company based in Edina, Minnesota, United States.  The company was involved in food distribution to private companies, primarily independent supermarkets, and military commissaries; and the operation of retail stores.

James T. Prokopanko: James T. Prokopanko is the former president and Chief Executive Officer of The Mosaic Company and has served in that capacity from January 1, 2007 to August, 2015.  He was a director of the company since October 2004.

Energy Transfer Equity: Energy Transfer Equity () is a Fortune 500 company based in Dallas, Texas, a sister partnership to Energy Transfer Partners.  It specializes in the storage and transportation of natural gas.  The CEO of Energy Transfer Equity is John W. McReynolds

Liz Claiborne: Anne Elisabeth Jane Claiborne (March 31, 1929 – June 26, 2007) was a Belgian-born American fashion designer and businesswoman.  Her success was built upon stylish yet affordable apparel for career women featuring colorfully tailored separates that could be mixed and matched.  Claiborne is best known for co-founding Liz Claiborne Inc., which in 1986 became the first company founded by a woman to make the Fortune 500 list.  Claiborne was the first woman to become chair and CEO of a Fortune 500 company.

General Cable: General Cable is a company based in Highland Heights, Kentucky, with sales offices and manufacturing facilities in several countries.  General Cable manufactures and distributes copper, aluminum, and optical fiber cables, for energy, construction, industrial, specialty and communications sectors.  General Cable is a Fortune 500 company.  The CEO of General Cable is Michael McDonnell.

Ursula Burns: Ursula M. Burns (born September 20, 1958) is an American business leader who has been Chairwoman of Xerox since 2010, and was Xerox CEO from 2009 to 2016.  Burns was the first African-American woman CEO to head a Fortune 500 company.  She is also the first woman to succeed another woman as head of a Fortune 500 company, having succeeded Anne Mulcahy as CEO of Xerox.  In 2014, "Forbes" rated her the 22nd most powerful woman in the world.

Supporting paragraphs: James T. Prokopanko The Mosaic Company
Answer: The Mosaic Company