Question: What center was the 55th Academy Awards held in?

Context paragraphs:
Let's Go (Calvin Harris song): "Let's Go" is a song by Scottish DJ Calvin Harris, featuring vocals from American singer Ne-Yo.  The track was released in the United Kingdom on 22 April 2012 as the third single from Harris' third studio album, "18 Months" (2012).  On 29 April 2012, precisely a week after its release, "Let's Go" debuted at number two on the UK Singles Chart for the week ending dated 5 May 2012— marking Harris' third consecutive number two hit (held off by Carly Rae Jepsen's song "Call Me Maybe").  As of July 2012, the song has sold 376,000 downloads in the United States.  It also appeared on the deluxe version of Ne-Yo's fifth studio album, "R.E.D." The song received a nomination for Best Dance Recording at the 55th Grammy Awards held in February 2013.

List of Academy Award Best Actor winners by age: This is a list of winners of the Academy Award for Performance by an Actor in a Leading Role, presented annually by the Academy of Motion Picture Arts and Sciences (AMPAS) to an actor who has delivered an outstanding performance while working within the film industry.  More popularly known as the Academy Award (or the Oscar) for Best Actor, this award was initially presented at the 1st Academy Awards ceremony for 1927–1928 and was most recently presented at the 88th Academy Awards ceremony for 2015.  Throughout the past 88 years, accounting for ties and repeat winners, AMPAS has presented a total of 90 Best Actor awards to 79 actors.  This list is current as of the 89th Academy Awards ceremony held on February 26, 2017.

I Will Wait for You: "I Will Wait for You" is the English version of "Je ne pourrai jamais vivre sans toi", a song from the French musical "The Umbrellas of Cherbourg" ("Les Parapluies de Cherbourg", 1964).  Its music was composed by Michel Legrand and the original lyrics written by Jacques Demy.  It was performed in the film by Catherine Deneuve, whose voice was dubbed by Danielle Licari.  The English lyrics of the song were written by Norman Gimbel.  This version was nominated for the Academy Award for Best Song at the 38th Academy Awards held in 1966.

List of Best Supporting Actor winners by age: This is a list of winners of the Academy Award of Merit for Performance by an Actor in a Supporting Role, presented annually by the Academy of Motion Picture Arts and Sciences (AMPAS) to an actor who has delivered an outstanding performance while working within the film industry.  More popularly known as the Academy Award (or the Oscar) for Best Supporting Actor, this award was initially presented at the 9th Academy Awards ceremony for 1936 and was most recently presented at the 88th Academy Awards ceremony for 2015.  Throughout the past 80 years, accounting for ties and repeat winners, AMPAS has presented a total of 81 Best Supporting Actor awards to 73 different actors.  This list is current as of the 89th Academy Awards ceremony held on February 26, 2017.

55th Academy Awards: The 55th Academy Awards were presented April 11, 1983, at the Dorothy Chandler Pavilion, Los Angeles.  The ceremonies were presided over by Liza Minnelli, Dudley Moore, Richard Pryor, and Walter Matthau.  The awards were dominated by the Best Picture winner "Gandhi", which won eight awards out of its eleven nominations.

List of Best Supporting Actress winners by age: This is a list of winners of the Academy Award for Performance by an Actress in a Supporting Role, presented annually by the Academy of Motion Picture Arts and Sciences (AMPAS) to an actress who has delivered an outstanding performance while working within the film industry.  More popularly known as the Academy Award (or the Oscar) for Best Supporting Actress, this award was initially presented at the 9th Academy Awards ceremony for 1936 and was most recently presented at the 88th Academy Awards ceremony for 2015.  Throughout the past 80 years, accounting for ties and repeat winners, AMPAS has presented a total of 81 Best Supporting Actress awards to 79 different actresses.  This list is current as of the 89th Academy Awards ceremony held on February 26, 2017.

Ambassador Hotel (Los Angeles): The Ambassador Hotel was a hotel in Los Angeles, California, and location of the Cocoanut Grove nightclub until it was demolished in 2005.  The hotel began operation formally on January 1, 1921, and subsequently was the site of the 2nd Academy Awards, the 3rd Academy Awards, the 5th Academy Awards, the 6th Academy Awards, the 12th Academy Awards, the 15th Academy Awards, and the June 1968 assassination of presidential candidate Robert F. Kennedy.  The hotel closed to guests in 1989.

Guard Dog (film): Guard Dog (2004, animation, dark comedy) is a short film (TRT 05:00 min.)  which was hand-drawn and produced by Independent Animator Bill Plympton at his "Plymptoons" Studio.  In 2005 the film was nominated for "Best Animated Short" at the 77th Annual Academy Awards held in 2005 and produced by the Academy of Motion Picture Arts and Sciences.  Also in 2005 "Guard Dog" won "Best Animated Short" at Toronto World of Comedy International Film Festival, and won a "Special Jury Mention" for "Animated Stories" at ANIMA - Córdoba International Animation Festival.  This film marked the second Academy Award nomination for Plympton, his first being the animated short Your Face at the 60th Academy Awards.

Dorothy Chandler Pavilion: The Dorothy Chandler Pavilion is one of the halls in the Los Angeles Music Center (which is one of the three largest performing arts centers in the United States).  The Music Center's other halls include the Mark Taper Forum, Ahmanson Theatre, and Walt Disney Concert Hall.

List of Academy Award-winning films: This is a list of Academy Award–winning films.  This list contains many films that won Academy Awards, up to and including the 89th Academy Awards held on February 26, 2017.

Supporting paragraphs: 55th Academy Awards Dorothy Chandler Pavilion
Answer: the Los Angeles Music Center