question: Brian William Koppelman was the director for films including "Solitary Man" and the documentary "This Is What They Want" for ESPN, a joint venture between the Hearst Corporation and what company?
answer: The Walt Disney Company
context: Title: ESPN
  Passage: ESPN (originally an acronym for Entertainment and Sports Programming Network) is a U.S.-based global cable and satellite sports television channel owned by ESPN Inc., a joint venture between The Walt Disney Company (which operates the network) and the Hearst Corporation (which owns a 20% minority share) The company was founded in 1979 by Bill Rasmussen along with his brother Scott and Ed Egan.
  Title: ESPN Classic
  Passage: ESPN Classic is an American digital cable and satellite television network that is owned by ESPN Inc., a joint venture between The Walt Disney Company (which owns a controlling 80% stake) and Hearst Corporation (which owns 20%).  The channel features rebroadcasts of famous sporting events, sports documentaries and sports-themed movies.  Such programs include biographies of famous sports figures or a rerun of a marquee World Series or Super Bowl game, often with added commentary on the event.
  Title: ESPN Films
  Passage: ESPN Films (formerly known as ESPN Original Entertainment) is a production company which produces and distributes sports films and documentaries.  It is owned by ESPN Inc., a joint venture between the Disney–ABC Television Group division of The Walt Disney Company (which owns a controlling 80% stake) and the Hearst Corporation (which owns the remaining 20%).
  Title: WatchESPN
  Passage: WatchESPN (formerly ESPN Networks) is an Internet television website and mobile application operated by ESPN Inc., a joint venture between The Walt Disney Company (which operates the network, through its 80% controlling ownership interest) and the Hearst Corporation (which holds the remaining 20% interest).
  Title: Brian Koppelman
  Passage: Brian William Koppelman (born in 1966) is an American filmmaker, essayist, podcaster, TV series creator, former music business executive and record producer.  Koppelman is the co-writer of "Ocean's Thirteen" and "Rounders", the producer for films including "The Illusionist" and "The Lucky Ones", the director for films including "Solitary Man" and the documentary "This Is What They Want" for ESPN as part of their "30 for 30" series, and the co-creator, showrunner, and executive producer of Showtime's "Billions".
citations: ESPN Brian Koppelman