Question: Mysie Monte is best known for her long-running portrayal of Mrs Boyle in a play that opened in London's West End in which year ?
Sentence (from "Mysie Monte"): She played the part for twelve and a half years between 2 May 1955 and 26 November 1967, with a break between 20 November 1960 and 6 November 1961 when she was replaced by the actress Madoline Thomas.
Relevant evidence: No