Based on the clue '1 of the 2 things the lord rained upon the cities ...', what is the answer?

What is associated with: 1 of the 2 songs which topped the charts during sept 1962 both girls names starting with s? Based on the clue '1 of the 2 south american countries directly east ...', what is the answer? Based on the clue '1 of the 2 south american countries whose mainland...', what is the answer? Based on the clue '1 of the 2 squares that say pay', what is the answer? Based on the clue '1 of the 2 towns in which calendars are forever st...', what is the answer? Based on the clue '1 of the 2 units each 3 letters long starting wit...', what is the answer? Based on the clue '1 of the 2 us cities that are aliases for strip st...', what is the answer? Based on the clue '1 of the 2 us state capitals that begin with the n...', what is the answer?