What is associated with: 50000?

Based on the clue '500 million year old fish are the first known foss...', what is the answer? What is associated with: 5000 a4 a8? What is associated with: 5000 photos of this complex home of the crown jewels were taken for the video game traitors ga… What is associated with: 5000 year old remnants of this snack have been found in a cave in the southwest? What is associated with: 50010 is found in the heartland ames in this state? Based on the clue '508 clovis i establishes this city as the capital ...', what is the answer? Based on the clue '509 its a fort in jersey', what is the answer? Which performer is associated with '50c'?