Conversation so far:
What was 125cc for Marco Simoncelli?
After a successful European 125cc campaign, in August 2002, Simoncelli made his first Grand Prix appearance with Matteoni Racing, replacing Czech rider Jaroslav Huleš who stepped up t 250cc class
Did Marco Simoncelli win any races in 125cc?
In the race at Estoril, he scored his first championship points by finishing in 13th place.

Question: What was his best finish?
Self-contained rewrite: What was Marco Simoncelli's best finish?