Question: Footfalls is a play by who, Rose Hill voiced the mother, Hill was an English actress and operatic soprano, who remains best known for her role as Madame Fanny La Fan in the British television series "'Allo 'Allo!"?
Sentence (from "Footfalls"): Billie Whitelaw, for whom the piece had been written, played May whilst Rose Hill voiced the mother.
Relevant evidence: No