Question: Who wrote the song which was ahead of "Purple Rain on the charts in 1984?
Sentence (from "Let's Go Crazy"): When released as a single, the song became Prince's second number-one hit on the "Billboard" Hot 100, and also topped the two component charts, the Hot R&B/Hip-Hop Songs and Hot Dance Club Play charts, as well as becoming a UK Top 10 hit.
Relevant evidence: No