Conversation so far:
Where was Nelson Piquet born?
Nelson Piquet was born in Rio de Janeiro, which at the time was the capital of Brazil
Was Nelson Piquet interested in racing or races as a child?
Nelson Piquet started kart racing at the age of 14

Question: Did he race with friends or was there a race for kids?
Self-contained rewrite: Did Nelson Piquet race with friends or was there a race for kids?