Question: The Flirtations performed at a number of prominent national venues, and performed a song in the soundtrack to a 1993 American drama film written by who? 

Context paragraphs:
Philadelphia (film): Philadelphia is a 1993 American drama film and one of the first mainstream Hollywood films to acknowledge HIV/AIDS, homosexuality, and homophobia.  It was written by Ron Nyswaner, directed by Jonathan Demme and stars Tom Hanks and Denzel Washington.

Searching for Bobby Fischer: Searching for Bobby Fischer, released in the United Kingdom as Innocent Moves, is a 1993 American drama film written and directed by Steven Zaillian.  The film was Zaillian's directorial debut, and stars Max Pomeranc, Joe Mantegna, Joan Allen, Ben Kingsley and Laurence Fishburne.  It is based on the life of prodigy chess player Joshua Waitzkin, played by Pomeranc, and adapted from the book of the same name by Joshua's father Fred.

Public Access: Public Access is a 1993 American drama film directed by Bryan Singer in his feature film debut.  Singer also wrote the screenplay with Christopher McQuarrie and Michael Feit Dougan.  The film was shot in 18 days for US$250,000.  It was screened at the 1993 Sundance Film Festival, where it was a joint winner of the Grand Jury Prize.  Critics praised the technical direction of "Public Access" but did not lend similar praise to the film's story and the characters.

The Music of Chance (film): The Music of Chance is a 1993 American drama film directed by Philip Haas.  It was screened in the Un Certain Regard section at the 1993 Cannes Film Festival.  It is based on the book of the same name.

The Flirtations (group): The Flirtations were a pro-LGBT a cappella musical group active from 1988 to 1997.  Their music provided an opportunity for both a celebration of gay culture and a call to arms in the battle against AIDS and homophobia.  They were fronted by the gay activist Michael Callen from establishment in 1988 until his death in 1993.  The Flirtations performed at a number of prominent national venues, and performed a song in the soundtrack to "Philadelphia".

You Don't Have to Worry (Mary J. Blige song): "You Don't Have to Worry" is a song by American R&B recording artist Mary J. Blige.  The song was written for her by Kenny Greene, Edward Ferrell, Darrin Whittington and Kevin Kornegay, and is produced by former Bad Boy rapper Craig Mack for the soundtrack of the film "Who's the Man? " (1993).  The song contains an uncredited portion of the 1988 hip-hop cut, "The Vapors" as performed by American beat-boxer/rapper Biz Markie, which in turn samples the 1974 number-one R&B hit, "Papa Don't Take No Mess", as performed by James Brown.  The original version appears on the film's soundtrack.  This version performed modestly on the US "Billboard" Hot 100, peaking at number sixty-three, and reaching number eleven on the R&B singles chart.  It is one out of two singles to be released on the soundtrack (the other being "Party and Bullshit" by The Notorious B.I.G.).

Mall (soundtrack): Mall: Music from the Motion Picture is the original motion picture soundtrack for the 2014 American drama film "Mall", consisting of songs written, recorded and performed by American rock band Linkin Park with Alec Puro, drummer of American rock band Deadsy.  It was released through Warner Bros. and Machine Shop on December 12, 2014.  The soundtrack was produced by Mike Shinoda and Brad Delson, along with Rob Cavallo and Bill Boyd, who are both serving as executive producers.  This is the sixth soundtrack soon to be released by the band.  The previous soundtrack, "", was released on June 14, 2011 for the 2011 American live-action film, "".

Bodies, Rest &amp; Motion: Bodies, Rest & Motion is a 1993 American drama film written by Roger Hedden based on his play, and directed by Michael Steinberg.  The film stars Phoebe Cates, Bridget Fonda, Tim Roth, and Eric Stoltz: they play four friends who are interested in the relationships they have and changing their own lives, but along the way their interests in life and each other start to change.  The film also stars Bridget Fonda's real life father, Peter Fonda, as a motorcyclist.

Totally Fucked Up: Totally Fucked Up (censored title Totally F***ed Up in many references and publicity material) is a 1993 American drama film written and directed by Gregg Araki.  The first installment of Araki's Teenage Apocalypse Trilogy, it is considered a seminal entry in the New Queer Cinema genre.

House of Cards (1993 film): House of Cards is a 1993 American drama film co-written and directed by Michael Lessac and starring Kathleen Turner and Tommy Lee Jones.  It follows the struggle of a mother to reconnect with her daughter who has been traumatized by the death of her father.  The film premiered at the 1993 Sundance Film Festival before being acquired by Miramax Films for distribution in June of the same year.

Supporting paragraphs: The Flirtations (group) Philadelphia (film)
Answer: Ron Nyswaner