The host of the American version of "Punchlines" hosted how many shows in his career?
Punchlines:  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". Bill Cullen:  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".
23