Question: In the biographical film Rainbow, which actress played the singer-actress Judy Garland?
Sentence (from "Rainbow (1978 film)"): The film was written by John McGreevey based on the 1975 book "Rainbow: The Stormy Life of Judy Garland" by Christopher Finch and originally aired on "NBC Monday Night at the Movies" on November 6, 1978.
Relevant evidence: No