Conversation so far:
When did George Robey make George Robey's london debut?
W.
H.
Branch, invited Robey to appear at Anderton's Hotel in Fleet Street, where he performed the popular new comic song "Where Did You Get That Hat?".
How old was he when this happened?
CANNOTANSWER.

Question: How was his debut received by critics?
Self-contained rewrite: How was George Robey debut received by critics?