question: What is the name of the Price is Right host who also the Miss USA pageant for twenty years?
answer: Bob Barker
context: Title: Miss USA 2016
  Passage: Miss USA 2016, was the 65th Miss USA pageant.  It was held at the T-Mobile Arena in Las Vegas, Nevada on June 5, 2016.  All fifty states and the District of Columbia competed.  Olivia Jordan of Oklahoma crowned her successor, Deshauna Barber of the District of Columbia, at the end of the event.  This was the first Miss USA pageant to be broadcast on Fox Network.  Barber represented the USA at the Miss Universe 2016 pageant, where she placed in the Top 9.
  Title: Miss USA 1988
  Passage: The pageant was hosted by Growing Pains star Alan Thicke, the first time in twenty years that Bob Barker did not host, and the pageant commentator was Tracy Scoggins.  Barker, an animal rights activist, refused to be involved because one of the winner's prizes was a fur coat.  There had been controversy surrounding the fur coats since the previous year, and Barker claimed he had asked pageant officials not to give away coats for years but that he had been ignored.  Other animal rights activists threatened to picket the pageant in protest at its fur policy and disrupted a pre-pageant press conference.  In an unrelated attack, Scoggins was attacked in an elevator following pageant rehearsals.  The attacker was charged with attempted sexual assault.
  Title: Miss USA 1967
  Passage: Miss USA 1967, the 16th Miss USA pageant, was won by Sylvia Hitchcock of Alabama.  She was crowned by Miss USA 1966, Maria Remenyi of California.  It took place on the Miami Beach Auditorium in Miami Beach, Florida.  Hitchcock won Miss Universe later and her 2nd runner-up Cheryl Patton later becames Miss USA because the 1st runner-up refused the title.
  Title: Bob Barker
  Passage: Robert William Barker (born December 12, 1923) is an American former television game show host.  He is known for hosting CBS's "The Price Is Right" from 1972 to 2007, making it the longest-running daytime game show in North American television history, and for hosting "Truth or Consequences" from 1956 to 1974.
  Title: Miss Montana USA
  Passage: The Miss Montana USA competition is the pageant that selects the representative for the state of Montana in the Miss USA pageant.  Montana is one of the least successful states in Miss USA history, but there has been success in other pageants.  Miss Montana USA 2005 Amanda Kimmel was chosen to represent the United States in the 2005 Miss Earth  pageant.  Although she failed to place at Miss USA, Kimmel finished in the top 8 at Miss Earth.  The current titleholder is Dani Walker of Billings.
  Title: Miss USA 1964
  Passage: Miss USA 1964, the 13th Miss USA pageant, took place in Miami Beach, Florida on July 29, 1964.  This was the last Miss USA pageant to be held as an inclusive part of the Miss Universe event.
  Title: Miss USA 1962
  Passage: Miss USA 1962, the 11th Miss USA pageant, took place in Long Beach, California, on July 12, 1962.  The pageant was won by Macel Leilani Wilson of Hawaii, who was crowned by outgoing titleholder Sharon Brown of Louisiana.  Wilson's win gave Hawaii the Miss USA crown at its first attempt, and two days later she was a Top 15 semi-finalist at Miss Universe 1962.  Eleven states did not send a delegate to the 1962 pageant, resulting in the lowest number of contestants since the inaugural pageant of 1952.
citations: Bob Barker Miss USA 1988