Conversation so far:
how long did it take concord to get to new york from london
The Concorde Jet can fly from New York to London in a little more than three hours and 15 minutes.
who is the concorde jet for
The Concorde aircraft was used mainly by wealthy passengers who could afford to pay a high price in exchange for the aircraft's speed and luxury service.
is the concorde jet still in operation
The Aérospatiale/BAC Concorde is a British–French turbojet-powered supersonic passenger airliner that was operated until 2003.

Question: how many of the jet are there
Self-contained rewrite: how many of the concorde jet are there