Question: "Nothing's Gonna Stop Us Now" is the theme song of a 1987 film directed by who?
Sentence (from "Nothing's Gonna Stop Us Now"): At the time, it made Grace Slick (aged 47) the oldest woman to have a number one single in the United States though the record was later broken by Cher's "Believe" in 1999 (aged 52).
Relevant evidence: No