Question:  What If... is a 2010 drama film that stars an actork best known as Cliff Clavin in what?

Context paragraphs:
Bloodworth: Bloodworth is a 2010 drama film directed by Shane Dax Taylor and based on "Provinces of Night", a novel by William Gay.  The film stars Val Kilmer, Kris Kristofferson and Hilary Duff.  Toby Keith was also set to star in the film, but later dropped out.

John Ratzenberger: John Dezso Ratzenberger (born April 6, 1947) is an American actor, voice actor, and entrepreneur.  He is best known as Cliff Clavin in "Cheers".  He is also known for his extensive vocal work in Pixar Animation Studios' films, notably Hamm in the "Toy Story" franchise and Mack in the "Cars" franchise.

Ways to Live Forever (film): Ways to Live Forever is a 2010 drama film by director Gustavo Ron based on the award-winning novel of the same name written by Sally Nicholls.  The film stars Robbie Kay, Alex Etel, Ben Chaplin, Emilia Fox and Greta Scacchi.  The film is produced by Life&Soul Productions, El Capitan Pictures and Formato Producciones.  It will be distributed via Karma in Spain, World Wide Motion Pictures Corporation for North America and InTandem for the rest of the world.

What If... (2010 film): What If... is a 2010 drama film directed by Dallas Jenkins.  It stars Kevin Sorbo, John Ratzenberger, Kristy Swanson and Debby Ryan.  The film was released in theaters on August 20, 2010.  It is the first film in a two-movie partnership between Jenkins Entertainment and Pure Flix Entertainment.

Norman (film): Norman is a 2010 drama film directed by Jonathan Segal.  It stars Dan Byrd, Emily VanCamp, Adam Goldberg, and Richard Jenkins.  The film features an original score and songs by multi-instrumentalist Andrew Bird.  "Norman" began its theatrical release at various U.S. locations on October 21, 2011.

Di Di Hollywood: Di Di Hollywood is a 2010 drama film, written, directed and produced by Bigas Luna.  It stars Elsa Pataky, Peter Coyote, and Paul Sculfor.  It was released in Spain on 15 October 2010.

Han Sun-hwa: Han Sun-hwa (born October 6, 1990), is a South Korean singer and actress.  She is a former member of the South Korean girl group Secret.  She made her television debut in 2004 while participating in SBS's "Superstar Survival" as a finalist, and in 2009, she was a regular cast on a variety show called "Invincible Youth".  Aside from music, she also ventured into acting and made her debut in the 2010 drama, "More Charming By The Day".  She also acted in several dramas with supporting roles in "Ad Genius Lee Tae-baek", "God's Gift - 14 Days", and "Marriage, Not Dating".  In 2014 she finally starred as a lead actress on MBC's weekend drama "Rosy Lovers" as Baek Jang Mi co-starring with actor Lee Jang Woo.  CNN International Seoul listed Sunhwa as one of the nine rising "It" stars in Korean entertainment citing her as a "multi-tasking" artist.  Her portrayal of Kang Se-Ah in the 2014 TVN drama, "Marriage, Not Dating" earned her a nomination for "Best Youth Actress" at the 16th Seoul International Youth Film Festival.  In 2014, her portrayal of Jang-Mi from "Rosy Lovers" and Jenny from "God's Gift 14 Day"s won her two best new actress awards from MBC and SBS Drama Awards.  It was confirmed on September 26, 2016 that Sunhwa had not renewed her contract with TS Entertainment and will officially part ways in October.  On October 14, 2016 Sunhwa joined Huayi Brothers as an actress.

Burlesque (2010 Australian film): Burlesque is a 2010 drama film directed and written by Dominic Deacon and starring Haydn Evans, Christina Hallett and Poppy Cherry.  The film was released on 26 August 2010 in Australia and won Best Australian Feature Film at the 2010 Sexy International Film Festival.  This film was shot in Melbourne, Victoria.

David Hoberman: David Elliot Hoberman (born September 19, 1952) is an American film and television producer, best known as the co-creator and executive producer of the USA Network television series "Monk", and the founder and co-owner of Mandeville Films.  He has produced over 40 films in his career, including the 2010 drama film "The Fighter", for which he was nominated for the Academy Award for Best Picture.

Legendary (film): Legendary is a 2010 drama film directed by Mel Damski.  The film stars Devon Graye as a high school wrestler, in a cast that features John Cena, Patricia Clarkson, Danny Glover, Madeleine Martin, and Tyler Posey.  The film was released on September 10, 2010.

Supporting paragraphs: What If... (2010 film) John Ratzenberger
Answer: Cheers