Question: When was the actor that hosted 64th Academy Awards born? 
Context: The 64th Academy Awards ceremony, presented by the Academy of Motion Picture Arts and Sciences (AMPAS), honored the best films of 1991 in the United States and took place on March 30, 1992, at the Dorothy Chandler Pavilion in Los Angeles beginning at 6:00 p.m. PST / 9:00 p.m. EST.  During the ceremony, the Academy of Motion Picture Arts and Sciences presented Academy Awards (commonly referred to as Oscars) in 23 categories.  The ceremony, televised in the United States by ABC, was produced by Gil Cates and directed by Jeff Margolis.  Actor Billy Crystal hosted the show for the third consecutive year.  Three weeks earlier, in a ceremony held at the Century Plaza Hotel in Los Angeles on March 7, the Academy Awards for Technical Achievement were presented by host Tom Hanks. 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. 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. The 74th Academy Awards ceremony, presented by the Academy of Motion Picture Arts and Sciences (AMPAS), took place on March 24, 2002, at the Kodak Theatre in Hollywood, Los Angeles.  During the ceremony, AMPAS presented Academy Awards (commonly referred to as Oscars) in 24 categories honoring films released in 2001.  The ceremony, televised in the United States by ABC, was produced by Laura Ziskin and directed by Louis J. Horvitz.  Actress Whoopi Goldberg hosted the show for the fourth time.  She first hosted the 66th ceremony held in 1994 and had last hosted the 71st ceremony in 1999.  Three weeks earlier, in a ceremony held at the Regent Beverly Wilshire Hotel in Beverly Hills, California, on March 2, the Academy Awards for Technical Achievement were presented by host Charlize Theron. William Edward Crystal (born March 14, 1948) is an American actor, writer, producer, director, comedian and television host.  He gained prominence in the 1970s for playing Jodie Dallas on the ABC sitcom "Soap" and became a Hollywood film star during the late 1980s and 1990s, appearing in the critical and box office successes "When Harry Met Sally..." (1989), "City Slickers" (1991), and "Analyze This" (1999) and providing the voice of Mike Wazowski in the "Monsters, Inc." franchise. This is a list of winners of the Academy Award for Performance by an Actress in a Leading 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 Actress, 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 89 years, accounting for ties and repeat winners, AMPAS has presented a total of 90 Best Actress awards to 75 different actresses.  This list is current as of the 89th Academy Awards ceremony held on February 26, 2017. 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. 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. The 76th Academy Awards ceremony, presented by the Academy of Motion Picture Arts and Sciences (AMPAS), honored the best films of 2003 and took place on February 29, 2004, at the Kodak Theatre in Hollywood, Los Angeles beginning at 5:30 p.m. PST / 8:30 p.m. EST.  During the ceremony, AMPAS presented Academy Awards (commonly referred to as Oscars) in 24 categories.  The ceremony, televised in the United States by ABC, was produced by Joe Roth and was directed by Louis J. Horvitz.  Actor Billy Crystal hosted for the eighth time.  He first presided over the 62nd ceremony held in 1990 and had last hosted the 72nd ceremony held in 2000.  Two weeks earlier in a ceremony at The Ritz-Carlton Huntington Hotel & Spa in Pasadena, California held on February 14, the Academy Awards for Technical Achievement were presented by host Jennifer Garner. The 69th Academy Awards ceremony, organized by the Academy of Motion Picture Arts and Sciences (AMPAS) took place on March 24, 1997, at the Shrine Auditorium in Los Angeles beginning at 6:00 p.m. PST / 9:00 p.m. EST.  During the ceremony, AMPAS presented the Academy Awards (commonly referred to as Oscars) in 24 categories honoring films released in 1996.  The ceremony, televised in the United States by ABC, was produced by Gil Cates, and directed by Louis J. Horvitz.  Actor Billy Crystal hosted the show for the fifth time.  He first presided over the 62nd ceremony held in 1990 and had last hosted the 65th ceremony held in 1993.  Three weeks earlier, in a ceremony held at the Regent Beverly Wilshire Hotel in Beverly Hills, California, on March 1, the Academy Awards for Technical Achievement were presented by host Helen Hunt.
Answer: March 14, 1948