Define 'the answer'.
Is Eli 'THE' answer? Romo? How many teams have 'THE' answer at QB? Not even half?
I'll grant you he's not a 'franchise' qb. However, what the Redskins long ago lost sight of Gibbs I (aka as Gibbs/Beathard).
Was Joey T or Rypien or Doug 'The' answer? Yes, they were, when you have a solid O line, a solid D line, good special teams and good skill people.
Payton, Brady, none of those guys have won without solid teams around them. There has never been a qb to win the SB basically alone. Plenty of them, Marino, Elway, have gotten close. But not all the way.