[["The TV game show, \"Concentration\", was primarily hosted by Hugh Downs from 1958 to 1969. Other hosts were Bob Clayton and Ed McMahon. The series ran from 1958 to 1973", 1.0], ["Hugh Downs hosted the TV game show Concentration for all one hundred sixty-one episodes. The show featured a star studded list of celebrities such as Johnny Carson and Joan Rivers. ", 1.0]]
who hosted the game show concentration
film and tv,sitcom