Question: What 1975 award was a song, that topped the "Billboard" Hot 100 in December 1974, by an American singer best known for his folk rock songs like "Taxi" and "W*O*L*D", nominated for?
Sentence (from "List of songs recorded by Kesha"): She topped eight charts on the 2010 "Billboard" Year-End Chart, including Top New Artists, Hot 100 Songs and Hot 100 Artists.
Relevant evidence: No