Question: The host of the American version of "Punchlines" hosted how many shows in his career?

full_context: Document 1: Bill Cullen: William Lawrence Francis Cullen (February 18, 1920 – July 7, 1990) was an American radio and television personality whose career spanned five decades. His biggest claim to fame was as a game show host; over the course of his career, he hosted 23 shows, and earned the nickname "Dean of Game Show Hosts". Aside from his hosting duties, he appeared as a panelist/celebrity guest on many other game shows, including regular appearances on "I've Got a Secret" and "To Tell the Truth".
Document 2: Bill Slater (broadcaster): William E. Slater (December 3, 1902 – January 25, 1965) was an American educator, sports announcer, and radio/television personality from the 1920s through the 1950s. He was perhaps best known for hosting the radio shows "Twenty Questions" and "Luncheon at Sardi's". He is the great uncle of actor Christian Slater.
Document 3: Arlene Francis: Arlene Francis (born Arline Francis Kazanjian; October 20, 1907 – May 31, 2001) was an American actress, radio and television talk show host, and game show panelist. She is known for her long-standing role as a panelist on the television game show " What's My Line?", on which she regularly appeared for 25 years, from 1950 through the mid-1970s, on both the network and syndicated versions of the show.
Document 4: You Bet Your Life: You Bet Your Life is an American comedy quiz series that aired on both radio and television. The original and best-known version was hosted by Groucho Marx of the Marx Brothers, with announcer and assistant George Fenneman. The show debuted on ABC Radio on October 27, 1947, then moved to CBS Radio debuting October 5, 1949, before making the transition to NBC-TV and NBC Radio on October 4, 1950. Because of its simple format, it was possible to broadcast the show simultaneously on radio and television. The last episode in its radio format aired on June 10, 1960. On television, however, the series continued for another year, debuting in its final season on September 22, 1960, and with a new title, The Groucho Show.
Document 5: Robert Earle: Robert Earle (born January 5, 1926 in Baldwin, New York) is a former host of "G.E. College Bowl," an American game show that was broadcast first by CBS, later by NBC. Earle was the second host of the show, succeeding Allen Ludden, who left the show in 1962 to host "Password." Earle hosted "College Bowl" during its entire NBC run, from 1962 to 1970.
Document 6: I'm Sorry I Haven't a Clue: I'm Sorry I Haven't a Clue is a BBC radio comedy panel game. Introduced as "the antidote to panel games", it consists of two teams of two comedians "given silly things to do" by a chairman. The show launched in April 1972 as a parody of radio and TV panel games, and has been broadcast since on BBC Radio 4 and the BBC World Service, with repeats aired on BBC Radio 4 Extra. The 50th series was broadcast in November and December 2007.
Document 7: To Tell the Truth: To Tell the Truth is an American television panel game show, created by Bob Stewart and originally produced by Mark Goodson–Bill Todman Productions, that has aired in various forms since 1956 both on networks and in syndication. As of June 14, 2016, the show is one of two game shows in the United States to have aired at least one new episode in at least seven consecutive decades, the other game show being both incarnations of "The Price Is Right." As of the 2016 version, a total of 26 seasons of the various versions of "To Tell the Truth" have been produced, surpassing the 25 of "What's My Line?" and the 20 of "I've Got a Secret."
Document 8: William J. Cullerton: William J. "Bill" Cullerton Sr. (January 1, 1923 – January 12, 2013) was an American World War II flying ace, entrepreneur, radio show host, and outdoorsman. Cullerton destroyed twenty-one Axis planes during the war, including sixteen destroyed in low-altitude attacks on the ground, ranking him as the second highest strafing ace in the 355th Fighter Group. He was the last surviving ace of the 355th Fighter Group ("Dragon Squadron"), which flew missions out of Steeple Morden, England, during World War II.
Document 9: Winner Take All (game show): Winner Take All, an American radio-television game show, ran from 1946-1952 on CBS and NBC. It was the first game show produced by the Mark Goodson-Bill Todman partnership. The series was originally hosted by Ward Wilson, but is best known for being the first game hosted by Bill Cullen.
Document 10: Tag the Gag: Tag the Gag is a very short-lived television series which aired in 1951 on NBC. According to IMDb, it lasted two episodes. It was a panel game show, a popular genre at the time. However, "Tag the Gag" proved unsuccessful with viewers and critics. It was hosted by Hal Block, best known as a regular panelist on the popular and well-received series "What's My Line?". Also featured were Morey Amsterdam, Harvey Stone, Herkle Stiles, and Jean Carroll. The archival status of the series is not known, and it is possible (though not confirmed) that it was wiped.
Document 11: Panel show: A panel show or panel game is a radio or television game show in which a panel of celebrities participates. Participants may compete with each other, such as on "The News Quiz"; facilitate play by non-celebrity contestants, such as on "Match Game"/"Blankety Blank"; or do both, such as on "Wait Wait Don't Tell Me". The genre can be traced to 1938, when "Information Please" debuted on U.S. radio. The earliest known television panel show is "Play the Game", a charades show in 1946. The modern trend of comedy panel shows can find early roots with "Stop Me If You've Heard This One" in 1939 and "Can You Top This?" in 1940. While panel shows were more popular in the past in the U.S., they are still very common in the United Kingdom.
Document 12: Celebrity Squares: Celebrity Squares is a British comedy game show based on the American comedy game show "Hollywood Squares". It first ran from 20 July 1975 to 7 July 1979 and was hosted by Bob Monkhouse, then from 8 January 1993 to 3 January 1997 and was also hosted by Monkhouse.
Document 13: Bob Barker: 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.
Document 14: Punchlines: Punchlines was a comedy panel game show that aired on ITV from 3 January 1981 to 22 December 1984 and was hosted by Lennie Bennett. The show itself was based on a failed 1979 American game show pilot of the same name hosted by Bill Cullen for which in turn was a reboot of another American game show from 1966-69 called "Eye Guess".
Document 15: Password (UK game show): Password was a British panel game show based on the US version of the same name. It was originally aired on ITV produced by ATV from 12 March to 10 September 1963 hosted by Shaw Taylor, then it aired on BBC2 from 24 March to 28 April 1973 hosted by Brian Redhead before moving to its flagship channel BBC1 from 7 January 1974 to 1976 first hosted by Eleanor Summerfield then by Esther Rantzen, it was then aired on Channel 4 produced by Thames in association with Talbot Television and Goodson-Todman Productions from 6 November 1982 to 14 May 1983 hosted by Tom O'Connor and then finally aired back on ITV produced by Ulster from 22 July 1987 to 5 August 1988 hosted by Gordon Burns.
ground_truth: 23