Question: Which song written by the American musical duo, The Weather Girls, sold over 6 million copies worldwide?
Sentence (from "The Weather Girls"): Later changing their name to The Two Sons and finally The Weather Girls, the duo reached their peak in popularity in 1982 with the international hit "It's Raining Men", which sold 6 over million copies worldwide and was included the following year in their album "Success".
Relevant evidence: Yes