instruction:
Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
question:
Who was the main singing star in the musical Half a Sixpence?
answer:
tommy steele

question:
What is the correct name of the band who spent 14 weeks at No.1 with Macarena?
answer:
los del rio

question:
Sheryl Crow has released her version of the Rod Stewart number one First Cut Is The Deepest, but who released it ten years before he did?
answer:
p. p. arnold