Question: What is the best known role of the host of the 64th Annual Tony Awards ? 

full_context: Document 1: Will &amp; Grace: Will & Grace is an American sitcom created by Max Mutchnick and David Kohan. Set in New York City, the show focuses on the relationship between best friends Will Truman (Eric McCormack), a gay lawyer, and Grace Adler (Debra Messing), a straight interior designer. The show was broadcast on NBC from September 21, 1998 to May 18, 2006, for a total of eight seasons, and re-started its run on NBC on September 28, 2017. During its original run, "Will & Grace" was one of the most successful television series with gay principal characters.
Document 2: 68th Tony Awards: The 68th Annual Tony Awards were held June 8, 2014, to recognize achievement in Broadway productions during the 2013–14 season. The ceremony was held at Radio City Music Hall in New York City, and was televised live on CBS. Hugh Jackman was the host, his fourth time hosting. The 15 musical Tony Awards went to seven different musicals, and six plays shared the 11 play Tony Awards.
Document 3: Sean Masterson: Sean Masterson is a comedy actor, writer, director and producer known for his work with Drew Carey, writing on "The Drew Carey Show", and as an improvisational performer on "Whose Line Is It Anyway?" spin-offs "Drew Carey's Green Screen Show", and "Drew Carey's Improv-A-Ganza".
Document 4: 62nd Tony Awards: The 62nd Tony Awards ceremony was held on June 15, 2008. The Antoinette Perry Awards for Excellence in Theatre, more commonly known as the Tony Awards, recognize achievement in live American theatre. CBS television broadcast the event from Radio City Music Hall in New York City as it has since the 51st Awards ceremony in 1997. The event recognized Broadway productions playing during the 2007 – 2008 season and was hosted by Whoopi Goldberg.
Document 5: Prediction Productions: Prediction Productions is Neil Patrick Harris' production company. It also was one of the production companies involved with Best Time Ever with Neil Patrick Harris. Harris has a deal with NBC to work on new projects through Prediction Productions as well.
Document 6: Neil Patrick Harris: Neil Patrick Harris (born June 15, 1973) is an American actor, comedian, magician, and singer, known primarily for his comedy roles on television and his dramatic and musical stage roles. On television, he is known for playing the title character on "Doogie Howser, M.D." (1989–1993), Barney Stinson on "How I Met Your Mother" (2005–2014, for which he was nominated for four Emmy Awards), and Count Olaf on "A Series of Unfortunate Events" (2017 onward).
Document 7: 64th Tony Awards: The 64th Annual Tony Awards took place on Sunday, June 13, 2010, held again at Radio City Music Hall in New York City. The host was Sean Hayes. These awards recognize Broadway productions during the 2009–2010 season. The cut off-date for Tony eligibility was April 29, 2010, and the nominations were announced on May 4.
Document 8: 55th Tony Awards: The 55th Annual Tony Awards was held at Radio City Music Hall on June 3, 2001 and broadcast by CBS. "The First Ten" awards ceremony was telecast on PBS television . The event was co-hosted by Nathan Lane and Matthew Broderick. "The Producers" won a record breaking 12 awards. Mel Brooks's win made him the eighth person to become an EGOT.
Document 9: 60th Tony Awards: The 60th Annual Tony Awards were held at Radio City Music Hall on June 11, 2006. The award ceremony was broadcast live on the CBS television network in the United States. The 2006 Tony Awards did not feature a host, but instead over 60 stars presented awards at the ceremony.
Document 10: 56th Tony Awards: The 56th Annual Tony Awards ceremony was held at Radio City Music Hall on June 2, 2002 and broadcast by CBS. "The First Ten" awards ceremony was telecast on PBS television. The event was co-hosted by Bernadette Peters and Gregory Hines.
Document 11: Sean Hayes (actor): Sean Patrick Hayes (born June 26, 1970) is an American actor, comedian, and producer. He is best known for his role as Jack McFarland on the NBC sitcom "Will & Grace", for which he won an Emmy Award, four SAG Awards, and one American Comedy Award, and earned six Golden Globe nominations. He also runs a television production company called Hazy Mills Productions, which produces shows such as "Grimm", "Hot in Cleveland", "The Soul Man", and "Hollywood Game Night".
Document 12: 67th Tony Awards: The 67th Annual Tony Awards were held June 9, 2013, to recognize achievement in Broadway productions during the 2012–13 season. The ceremony returned to Radio City Music Hall in New York City, after two years at Beacon Theatre, and was broadcast live on CBS television. Neil Patrick Harris hosted for the third consecutive year, his fourth time as host. Awards in four of the eight acting categories, (Best Actress in a Play, Best Actor in a Musical, Best Actress in a Musical, Best Featured Actor in a Play) were given to African-American performers. Furthermore, it is the second time in Tony history that both directing prizes went to women. Garry Hynes and Julie Taymor had previously won in 1998. "Kinky Boots" had a season best 13 nominations and 6 awards. Cyndi Lauper, who wrote the score for "Kinky Boots", is the first solo female winner for Best Original Score.
Document 13: Nick Sakai: Nick Sakai is a Japan-born American actor and producer. He has been seen in "Third Watch", "Guiding Light", "As the World Turns", "Saturday Night Live", and other shows. He produced, directed and starred in his own short films, "Telling Tales", and "Three Minute Love Affair". His 2010 film "12", parody of "24" became YouTube sensation and was premiered at 2010 Comic-Con. He recently associate produced (and acted in) "The Professor" starring Betsy Brandt and Rick Peters. The film won the Best Action/Adventure short at 2014 San Diego Comic-Con International.
Document 14: 70th Tony Awards: The 70th Annual Tony Awards were held on June 12, 2016, to recognize achievement in Broadway productions during the 2015–16 season. The ceremony temporarily returned to the Beacon Theatre in New York City after three years at Radio City Music Hall and was broadcast live by CBS. James Corden served as host. The 70th Tony Awards won the Emmy Award for Outstanding Special Class Program.
Document 15: Harriet Hayes: Hannah Harriet Hayes is a fictional character on the US television series "Studio 60 on the Sunset Strip", played by Sarah Paulson. The character is loosely based on actress Kristin Chenoweth (who had dated "Studio 60" creator Aaron Sorkin and starred in Sorkin's previous series, "The West Wing," after Sorkin had left it); there is an opinion that she is also at least partially based on former "Saturday Night Live" comedian Victoria Jackson.
ground_truth: Jack McFarland