Question: When did the performer of song Summer Is Over die?
Sentence (from "Dusty Springfield"): With her distinctive mezzo-soprano sound, she was an important singer of blue-eyed soul and at her peak was one of the most successful British female performers, with six top 20 singles on the US "Billboard" Hot 100 and sixteen on the UK Singles Chart from 1963 to 1989.
Relevant evidence: No