Question: What year was the Roald Dahl novel on which a musical starred in by Kerry Ingram was based published?
Sentence (from "Roald Dahl's Esio Trot"): It is an adaptation of Roald Dahl's children's novel "Esio Trot" in which a retired bachelor falls in love with his neighbour, a widow, who keeps a tortoise as a companion after the death of her husband.
Relevant evidence: No