Question: What is the name of the 54th Disney animated feature film that won the Oscar for Best Animated Feature in 2015?

Context articles: Annie Award for Best Animated Feature
Annie Award for Music in a Feature Production
2013 in anime
Big Hero 6 (film)
Chris Williams (director)
Dinosaur (film)
Hercules (1997 film)
Peter Pan (1953 film)
Don Hall (filmmaker)
Lady and the Tramp

The Annie Award for Best Animated Feature is an Annie Award introduced in 1992, awarded annually to the best animated feature film.
 In 1998 the award was renamed Outstanding Achievement in an Animated Theatrical Feature, only to revert to its original title again in 2001.
 Since the inception of Best Animated Feature at the Academy Awards in 2001, the Annie Award winner has matched up every year except for 2006, 2008, 2010, 2012, and 2014.
The Annie Award for Music in a Feature Production (or Annie Award for Music in an Animated Feature Production) is an Annie Award given annually to the best music in an animated feature film, theatrical or direct-to-video.
 It began in 1997 as the "Annie Award for Best Individual Achievement: Music in a Feature/Home Video Production".
 Throughout the following years, the title was renamed "Outstanding Individual Achievement for Music in an Animated Feature Production", "Outstanding Individual Achievement for Music Score in an Animated Feature Production", and "Outstanding Music in an Animated Feature Production" before changing to its current title in 2005.
 It was retitled "Best Music in an Animated Feature Production" in 2006 for three years before being reverted to "Music in an Animated Feature Production" in 2009.
Internationally, "Patema Inverted" and "The Wind Rises" were nominated for the Asia Pacific Screen Award for Best Animated Feature Film.
 "The Wind Rises" was also in competition for the Golden Lion at the 70th Venice International Film Festival.
 "The Wind Rises" won the New York Film Critics Circle Award for Best Animated Film and was nominated for the Golden Globe Award for Best Foreign Language Film.
 "The Wind Rises" and "A Letter to Momo" have been nominated for the Annie Award for Best Animated Feature at the 41st Annie Awards.
 "The Wind Rises" has also been nominated for the Academy Award for Best Animated Feature and "Possessions" has been nominated for the Academy Award for Best Animated Short Film at the 86th Academy Awards.
Big Hero 6 is a 2014 American 3D computer-animated superhero-comedy film produced by Walt Disney Animation Studios and released by Walt Disney Pictures.
 Loosely based on the superhero team of the same name by Marvel Comics, the film is the 54th Disney animated feature film.
 Directed by Don Hall and Chris Williams, the film tells the story of Hiro Hamada, a young robotics prodigy who forms a superhero team to combat a masked villain.
 The film features the voices of Scott Adsit, Ryan Potter, Daniel Henney, T.J. Miller, Jamie Chung, Damon Wayans, Jr., Genesis Rodriguez, Alan Tudyk, James Cromwell, and Maya Rudolph.
Chris Williams (born c. 1968/1969) is a Canadian-American film director, screenwriter and animator at Walt Disney Animation Studios.
 He directed the short film "Glago's Guest" and co-directed "Bolt", which was nominated for the Oscar for Best Animated Feature in 2009; "Big Hero 6", which won the Oscar for Best Animated Feature in 2015; and "Moana," which was nominated for two Oscars in 2016.
Dinosaur is a 2000 American CGI animated adventure film produced by Walt Disney Feature Animation and The Secret Lab and released by Walt Disney Pictures.
 It is the 39th Disney animated feature film and Disney's The Secret Lab computer animated feature, though it is not officially labeled as one of the animated classics in the United Kingdom, where "The Wild" (2006) is included in the canon instead.
Hercules is a 1997 American animated musical fantasy comedy film produced by Walt Disney Feature Animation for Walt Disney Pictures.
 The 35th Disney animated feature film, the film was directed by Ron Clements and John Musker.
 The film is loosely based on the legendary hero Heracles (known in the film by his Roman name, Hercules), the son of Zeus, in Greek mythology.
 The film also featured the first positive portrayal of African American women in a Disney animated film.
Peter Pan is a 1953 American animated adventure film produced by Walt Disney and based on the play "Peter Pan, or The Boy Who Wouldn't Grow Up" by J. M. Barrie.
 It is the 14th Disney animated feature film and was originally released on February 5, 1953, by RKO Radio Pictures.
 "Peter Pan" is the final Disney animated feature released through RKO before Walt Disney's founding of his own distribution company, Buena Vista Distribution, later in 1953 after the film was released.
 "Peter Pan" is also the final Disney film in which all nine members of Disney's Nine Old Men worked together as directing animators.
 It is also the second Disney animated film starring Kathryn Beaumont, Heather Angel, and Bill Thompson after their roles in the animated feature "Alice in Wonderland".
Don Hall is an American film director and writer at Walt Disney Animation Studios.
 He is known for co-directing "Winnie the Pooh" (2011), "Big Hero 6" (2014), which was inspired by the Marvel Comics of the same name and "Moana" (2016), along with Ron Clements and John Musker.
 "Big Hero 6" won the Oscar for Best Animated Feature in 2015.
Lady and the Tramp is a 1955 American animated romantic musical comedy-drama film produced by Walt Disney and released to theaters on June 22, 1955 by Buena Vista Distribution.
 The 15th Disney animated feature film, it was the first animated feature filmed in the CinemaScope widescreen film process.
 Based on "Happy Dan, The Whistling Dog" by Ward Greene, "Lady and the Tramp" tells the story of a female American Cocker Spaniel named Lady who lives with a refined, upper-middle-class family, and a male stray mongrel called the Tramp.
 When the two dogs meet, they embark on many romantic adventures.
 A direct-to-video sequel, "", was released in 2001.