KEN Jennings’ mindboggling, six-week run on “Jeopardy” is the answer to a whole new question: Whose ratings are through the roof?

“Jeopardy” is now tying “Wheel of Fortune” – the reigning ratings champ in syndication – something it

has not done in years. Jennings, whose winning pushed past the $1 million mark last week, has boosted ratings 36 percent since he started on the show in early June.