Which late-night TV host co-owned the racing team that won the 2004 Indianapolis 500?

Which British singer leads "the Machine", the band behind the hit "Dog Days Are Over"? Which Genesis guitarist formed the side project the Mechanics, known for "The Living Years"? Which singer rose to fame fronting the Miami Sound Machine? Which Minneapolis superstar was backed by the New Power Generation in the 1990s? Which pianist and singer led the Range on the 1986 hit "The Way It Is"? Which singer was backed by the Revolution on the 1984 album "Purple Rain"? In what year did King John agree to the Magna Carta at Runnymede? Which "Golden Girls" star won the Emmy for Lead Actress in a Comedy Series in 1988?