Question: What sport is portrayed in the movie Miracle directed by Gavin O'Connor?

Context paragraphs:
Pride and Glory (film): Pride and Glory is a 2008 American crime drama film directed by Gavin O'Connor.  It stars Edward Norton, Colin Farrell, Jon Voight, and Noah Emmerich.  The film was released on October 24, 2008, in the United States.

Tumbleweeds (1999 film): Tumbleweeds is a 1999 American comedy-drama film directed by Gavin O'Connor.  He co-wrote the screenplay with his then-wife Angela Shelton, and inspired by her memories of a childhood spent on the road with her serial-marrying mother.  It stars Janet McTeer, Kimberly J. Brown and Jay O. Sanders.

Gavin O'Connor (director): Gavin O'Connor (born October 30, 1964) is an American film director, screenwriter, producer, playwright, and actor.  He is best known for directing the films "Miracle", "Warrior" and "The Accountant".  In September 2017, it was announced he would write and direct the sequel to the DC Extended Universe film "Suicide Squad".

Comfortably Numb (film): Comfortably Numb is a 1995 American drama film co-written and directed by Gavin O'Connor.

The Father Clements Story: The Father Clements Story is a 1987 made-for-television movie about the life of Father George Clements, an African-American Roman Catholic priest who became famous for being the first United States priest to legally adopt a child.  The movie starred actors Lou Gossett, Jr., Malcolm-Jamal Warner, and Carroll O'Connor.  Gossett, Jr. played Clements, Warner played Clements' adopted son, and O'Connor played Cardinal John Cody, the Archbishop of Chicago.  The movie was directed by Edwin Sherin.  The film score was composed by Mark Snow.

Sons and Daughters (1974 TV series): Sons and Daughters is an American drama series that launched from the pilot television movie called "Senior Year" which aired on CBS from September 11 until November 6, 1974.  The show was set in California during the mid-1950s and portrayed the trials of life for two young people — Jeff, portrayed by 24-year-old Gary Frank and Anita, played by 17-year-old Glynnis O'Connor.  John S. Ragin portrayed Anita's divorced father, Walter Cramer.

McHale's Navy Joins the Air Force: McHale's Navy Joins the Air Force is a 1965 movie based upon the television 1962–66 sitcom "McHale's Navy".  Series supporting players Joe Flynn and Tim Conway are the leads for this sequel to the first movie made in 1964 also named "McHale's Navy".  Most of the movie is based on their two characters particularly Ensign Parker.  Series star Ernest Borgnine was unavailable due to a scheduling conflict while he appeared in the 1965 movie "The Flight of the Phoenix".  However, in a "Cinema Retro" interview, Borgnine said the producer Edward Montagne wanted to make the film cheaply, without him and would not show him the script.  Carl Ballantine also doesn't appear in the movie and the PT-73 crew is not seen in large portions of the film.  The movie, which also features Ted Bessell and Gavin MacLeod, was directed by series producer Edward Montagne.

Miracle (2004 film): Miracle is a 2004 American sports docudrama about the United States men's hockey team, led by head coach Herb Brooks, portrayed by Kurt Russell, that won the gold medal in the 1980 Winter Olympics.  The American team's victory over the heavily favored Soviet professionals in the medal round was dubbed the Miracle on Ice.  "Miracle" was directed by Gavin O'Connor and written by Eric Guggenheim and Mike Rich.  It was released on February 6, 2004.

Expecting a Miracle: Expecting a Miracle is a Hallmark Channel original movie that premiered Saturday, January 10, 2009.  The movie stars Jason Priestley, Teri Polo, and Cheech Marin.  It is directed by Steve Gomer, and is based on the short story "The Miracle of Dommatina" by Ira Avery.

Warrior (2011 film): Warrior is a 2011 American sports drama film directed by Gavin O'Connor and starring Tom Hardy and Joel Edgerton as two estranged brothers whose entrance into a mixed martial arts tournament makes them come to terms with their lives and each other.  Nick Nolte was nominated for an Academy Award for Best Supporting Actor for his role as the father of the two brothers.  Jennifer Morrison and Frank Grillo also star.

Supporting paragraphs: Gavin O'Connor (director) Miracle (2004 film)
Answer: hockey