Question: When was the American actor and producer born who was lead actor in the television series "MacGyver" (1985–1992) and also present in Season four of "Stargate SG-1"?
Sentence (from "Stargate SG-1 (season 4)"): The fourth season concluded after 22 episodes on February 14, 2001 on British Sky One, which overtook Showtime in mid-season.
Relevant evidence: No