Question: Who won the race at Magny-Cours
SQL: SELECT "Race Winner" FROM "1-15187794-1" WHERE "Circuit" = 'Magny-Cours';

Question: Which round was the circuit Assen
SQL: SELECT "Round" FROM "1-15187794-1" WHERE "Circuit" = 'Assen';

Question: How many people won in No. 12
SQL: SELECT COUNT("Race Winner") FROM "1-15187794-1" WHERE "No" = 12.0;