Question: Mykelti Williamson played Gabriel Maxson in a film adapted from a play that debuted at what theater?

Context paragraphs:
Fences (play): Fences is a 1985 play by American playwright August Wilson.  Set in the 1950s, it is the sixth in Wilson's ten-part "Pittsburgh Cycle".  Like all of the "Pittsburgh" plays, "Fences" explores the evolving African-American experience and examines race relations, among other themes.  The play won the 1987 Pulitzer Prize for Drama and the 1987 Tony Award for Best Play.  The play was first developed at the Eugene O'Neill Theater Center's 1983 National Playwrights Conference and premiered at the Yale Repertory Theatre in 1985.

Holiday Heart: Holiday Heart is a 2000 TV movie starring Ving Rhames, Chandra Currelley, Alfre Woodard, and Mykelti Williamson.  It was directed by Robert Townsend, aired on the cable TV channel Showtime, and was distributed on DVD by Metro-Goldwyn-Mayer.  It was based on a play by Cheryl L. West, and involves a gay drag queen befriending a single mother and her daughter and trying to protect them from the criminal environment around them.  It was nominated for a Golden Globe Award, for Woodard's performance, among other award nominations.

John Gordon Williamson: John Gordon Williamson is an English former cricketer active from 1958 to 1974 who played for Northamptonshire (Northants) in the 1959 to 1962 seasons.  He was born in Norton-on-Tees, Durham on 4 April 1936.  He appeared in 56 first-class matches as a righthanded batsman who bowled right arm fast medium pace.  He scored 820 runs with a highest score of 106 not out and took 120 wickets with a best performance of six for 47.  Williamson played for Durham and Cheshire in the Minor Counties Championship.  In 1965, he changed his surname to Barkass-Williamson.  Williamson now lives in Solihull.

Waiting to Exhale: Waiting to Exhale is a 1995 American romance film directed by Forest Whitaker (in his feature film directorial debut) and starring Whitney Houston and Angela Bassett.  The film was adapted from the 1992 novel of the same name by Terry McMillan.  Lela Rochon, Loretta Devine, Dennis Haysbert, Michael Beach, Gregory Hines, Donald Faison, and Mykelti Williamson rounded out the rest of the cast.  The original music score was composed by Kenneth "Babyface" Edmonds.  The story centers on four female friends living in the Phoenix, Arizona area and their relationships with men and one another.  All of them are "holding their breath" until the day they can feel comfortable in a committed relationship with a man.

Garrett Williamson: Garrett Williamson (born June 15, 1988) is a Canadian-American professional basketball player for the London Lightning of the National Basketball League of Canada (NBL).  Born in Lower Merion, Pennsylvania, Williamson played high school basketball for Lower Merion and college basketball at Saint Joseph's.  While at college he was named twice in the Atlantic 10's all-defensive team.  Williamson has played professionally in the NBA Development League, the National Basketball League of Canada, Germany and Greece.  In Canada he was named NBL Canada Canadian of the Year in 2014.

Only You (upcoming film): Only You is an upcoming American science fiction horror-thriller film written and directed by Jacob Estes.  The film stars David Oyelowo, Storm Reid, Brian Tyree Henry, Alfred Molina, Mykelti Williamson and Shinelle Azoroh.  Jason Blum is serving as a producer through his Blumhouse Productions banner and David Oyelowo is executive producing the film.

ATL (film): ATL is a 2006 American comedy-drama film, and the feature film directorial debut of music video director Chris Robinson.  The screenplay was written by Tina Gordon Chism from an original story by Antwone Fisher, and is loosely based on the experiences of the film's producers Dallas Austin and Tionne "T-Boz" Watkins (of the R&B group TLC) growing up in Atlanta, Georgia (ATL).  The film is a coming-of-age tale concerning Rashad, played by Atlanta native and hip hop artist T.I. in his film debut, and his friends in their final year in high school and on the verge of adulthood.  The film also stars Antwan Andre Patton, aka Big Boi of the hip hop group OutKast, Evan Ross, Jackie Long, Lauren London, and Mykelti Williamson.

Forrest Gump: Forrest Gump is a 1994 American comedy-drama film based on the 1986 novel of the same name by Winston Groom.  The film was directed by Robert Zemeckis and stars Tom Hanks, Robin Wright, Gary Sinise, Mykelti Williamson, and Sally Field.  The story depicts several decades in the life of Forrest Gump, a slow-witted but kind-hearted, good-natured and athletically prodigious man from Alabama, who witnesses, and in some cases influences, some of the defining events of the latter half of the 20th century in the United States; more specifically, the period between Forrest's birth in 1944 and 1982.  The film differs substantially from Winston Groom's novel, including Gump's personality and several events that were depicted.

Mykelti Williamson: Michael T. "Mykelti" Williamson (born March 4, 1960) is an American actor best known for his roles in the films "Forrest Gump" and "Con Air", and the television shows "Boomtown", "24", and "Justified".  In 2016, he portrayed Gabriel Maxson in Denzel Washington's acclaimed film adaptation of August Wilson's play "Fences", reprising his role from the 2010 Broadway revival.

Fences (film): Fences is a 2016 American period drama film directed by and starring Denzel Washington and written by August Wilson, based on his Pulitzer Prize-winning play of the same name (Wilson died in 2005, but completed a screenplay before his death).  In addition to Washington, the film also stars Viola Davis, Stephen Henderson, Jovan Adepo, Russell Hornsby, Mykelti Williamson and Saniyya Sidney.

Supporting paragraphs: Mykelti Williamson Fences (play)
Answer: Yale Repertory Theatre