Question: Thomas Rickman is an American film director and screenwriter known for a biographical film which tells the story of what country music singer? 
Context: Richard Edward "Eddy" Arnold (May 15, 1918 – May 8, 2008) was an American country music singer who performed for six decades.  He was a Nashville sound (country/popular music) innovator of the late 1950s, and scored 147 songs on the "Billboard" country music charts, second only to George Jones.  He sold more than 85 million records.  A member of the Grand Ole Opry (beginning 1943) and the Country Music Hall of Fame (beginning 1966), Arnold ranked 22nd on Country Music Television's 2003 list of "The 40 Greatest Men of Country Music." "A Little Less Talk And A Lot More Action" is a song written by Keith Hinton and Jimmy Alan Stewart, and recorded by American country music singer Hank Williams, Jr. for his 1992 album "Maverick".  One year later, the song was recorded by American country music singer Toby Keith and released in November as the third single from his self-titled debut album.  Keith's version peaked at number 2 on the Billboard Hot Country Singles & Tracks (now Hot Country Songs) chart and peaked at number 25 on the Canadian "RPM" country tracks. Peter Sollett (born January 1, 1976) is an American film director and screenwriter known for his feature films "Raising Victor Vargas" (2002) and "Nick & Norah's Infinite Playlist" (2008). Sweet Dreams is a 1985 American biographical film which tells the story of country music singer Patsy Cline. Paul Joseph Schrader (born July 22, 1946) is an American screenwriter, film director, and film critic.  Schrader wrote or co-wrote screenplays for four Martin Scorsese films: "Taxi Driver" (1976), "Raging Bull" (1980), "The Last Temptation of Christ" (1988), and "Bringing Out the Dead" (1999).  Schrader has also directed 18 feature films, including his directing debut crime drama, "Blue Collar" (co-written with his brother, Leonard Schrader), the crime drama "Hardcore" (a loosely autobiographical film also written by Schrader), his 1982 remake of the horror classic "Cat People", the crime drama "American Gigolo" (1980), the biographical drama "" (1985), the cult film "Light Sleeper" (1992), the drama "Affliction" (1997), the biographical film "Auto Focus" (2002), and the erotic dramatic thriller "The Canyons" (2013). Brad Hawkins (born January 13, 1976) is an American actor, country singer, and martial artist, best known for playing Ryan Steele in Saban's action adventure science fantasy series "VR Troopers" (1994–1996, and with 92 total episode appearances) and for his role in the 2014 film "Boyhood".  He also provided the (uncredited) voice of Trey of Triforia, the Gold Ranger in "Power Rangers Zeo".  In 1999, he starred as Tyler Hart in the CBS miniseries "", filmed in Charlotte and Mooresville, NC.  Before becoming an actor, he attended and graduated from Plano Senior High School in Plano, Texas.  He was a country music singer for 3 years in the "country music capital", Nashville, Tennessee.  His country song "We Lose" became a No. 1 video hit on Country Music Television and Great American Country country music television channels.  He starred in the slasher film "Shredder" in 2003.  His most recent acting role was as a motion capture actor for id Software's "Doom 4".  He also works as a voice actor, often with Funimation, including roles in "D.Gray-man" and "". Coal Miner's Daughter is a 1980 American biographical film which tells the story of country music singer Loretta Lynn.  It stars Sissy Spacek as Loretta, a role that earned her the Academy Award for Best Actress.  Tommy Lee Jones as Loretta's husband Mooney Lynn, Beverly D'Angelo and Levon Helm also star.  The film was directed by Michael Apted. Dirty Country is a 2007 documentary film that tells the real-life story of Larry Pierce, a small-town factory worker and family man who happens to be the raunchiest country music singer in America.  Since 1993, Larry has quietly released over a dozen dirty country albums at truck stops across the country.  Without the time or money to pursue a "legitimate" career in country music, Larry is content to lead an ordinary life and moonlight as a dirty country singer.  But when he is forced into early retirement at his factory job of 30 years, Larry faces an uncertain future.  That is, until an unexpected turn of events thrusts his songs out of obscurity and into the spotlight. Joshua Michael Stern is an American film director and screenwriter.  He has directed three feature films: "Neverwas" (2005), "Swing Vote" (2008) and the 2013 biographical film "Jobs", based on the life of Steve Jobs. Thomas Rickman (sometimes credited as Tom Rickman) is an American film director and screenwriter known for such films as "Coal Miner's Daughter", "Hooper", "Tuesdays with Morrie" and "Truman".
Answer: Loretta Lynn