Question: The conductor of the first performance of Symphony No. 7 was born in what year?
Sentence (from "Symphony No. 7 (Bax)"): It was commissioned by the British Council to be played at the 1939 New York World's Fair, along with Arthur Bliss's Piano Concerto in B-flat, and Ralph Vaughan Williams' "Five Variants of Dives and Lazarus".
Relevant evidence: No