Based on the clue '4 schools have had back to back heisman winners ya...', what is the answer?

Based on the clue '4 pearl grains equal 1 of these units also used fo...', what is the answer? Based on the clue '4 pecks equals 1 of these', what is the answer? Based on the clue '4 places claimed to be the burial site of this exp...', what is the answer? What is associated with: 4 pyramids were erected 1984 89 between this museums pavilion denon pavilion richelieu? Based on the clue '4 score 7 minus the syllables in a haiku', what is the answer? Based on the clue '4 single biographies 23 pairs of biographies make...', what is the answer? What is associated with: 4 sisters cavort in the march family attic in act i of the opera based on this 1868 novel? Based on the clue '4 star general colin mckoy', what is the answer?