Question: Who is the paternal grandfather of Rupert D'Oyly Carte?
Sentence (from "Rupert D'Oyly Carte"): After serving in the First World War, he took steps to revitalise the opera company, which had not appeared in central London since 1909, hiring new designers and conductors to present fresh productions of the Gilbert and Sullivan operas in seasons in the West End.
Relevant evidence: No