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

Related documents: [0]  [DOC] 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". [END] 
[1]  [DOC] 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". [END]  
Answer: 23
23