The Air Bud film series (also known as Air Buddies or Disney Buddies) is an American film franchise based on a sports-playing Golden Retriever named Buddy, portrayed by Air Buddy.
 The franchise began in 1997 with the theatrical release of "Air Bud", followed by the theatrical release of "" in 1998.
 The rest of the films in the series were released in direct-to-video form.
 The "Air Buddies" or "Disney Buddies" spin-off series began in 2006 with the release of "Air Buddies" and it focuses on the adventures of Buddy's talking Golden Retriever puppies.
Glory Road is a 2006 American sports drama film directed by James Gartner, based on a true story surrounding the events leading to the 1966 NCAA University Division Basketball Championship (the historic name for what is now known as the NCAA Division I Men's Basketball Tournament).
 Don Haskins portrayed by Josh Lucas, head coach of Texas Western College, coached a team with an all-black starting lineup, a first in NCAA history.
 "Glory Road" explores racism, discrimination, and student athletics.
 Supporting actors Jon Voight and Derek Luke also star in principal roles.
Joseph Patrick Cranshaw (June 17, 1919 – December 28, 2005) was an American film and television actor known for his distinctive look and deadpan humor.
 He is best known for one of his last roles, that of Joseph "Blue" Pulaski, a fraternity brother, in the 2003 hit comedy "Old School".
 Cranshaw also starred as Sheriff Bob in the "Air Bud" movies and he played the same role in "Air Buddies" for the final time.
Air Bud is a 1997 American comedy film that sparked the franchise centered on the real-life dog, Buddy, a Golden Retriever.
 The film was financially successful, grossing $4 million in its opening weekend and totaling $27.8 million in its run, against an estimated $3 million budget.
Air Bud: World Pup (also known as Air Bud 3 in most other countries) is a 2000 made-for-video American film, and the third film in the "Air Bud" series.
 It was the first Air Bud movie to be filmed without Buddy, the canine star of the first two films; Buddy died after production of the previous film, "".
A Woman Like Me is a 2014 documentary that runs parallel to the real life story of Alex Sichel who has been diagnosed with terminal cancer in 2011.
 The fictional story of Anna Seashell played by Lili Taylor, is of a woman who is able to find the glass half full when she is given the same diagnosis.
 The documentary follows Alex as she uses narrative film to show her journey through terminal illness as it surrounds her and her families life.
Air Bud: Seventh Inning Fetch (also known as Air Bud 4) is a 2002 made-for-video American film, and the fourth film in the "Air Bud" series.
Air Buddies is a 2006 straight-to-DVD comedy film.
 It is the sixth film in the "Air Bud" series and the first in the direct-to-video spin-off series "Air Buddies", which follows the life of a lonely teenager and his dog who has the uncanny ability to play every sport.
Air Bud: Spikes Back (also known as Air Bud 5) is the fifth and final film in the original "Air Bud series".
 The film series itself was followed by a spin-off series: the "Air Buddies" franchise.
 It was released on June 24, 2003 as a direct to video sequel.
Air Bud: Golden Receiver (also known as Air Bud 2) is the 1998 sequel to "Air Bud".
 The film was shot in Vancouver, British Columbia, Canada.
 It is also the last of the "Air Bud" films to be released theatrically.
 Outside the United States the film was often titled "Air Bud 2".
 This film is dedicated in memory of the original Air Bud (Air Buddy), who died of Synovial sarcoma, a rare form of cancer that affects soft tissue near the joints of the arm, leg, or neck in 1998, just several months before the movie's release.

Question: What was a most successful American film featuring a real life story, Glory Road or Air Bud?
Answer: Air Bud