Question: What country came in third when there were 13 teams in 1996?
SQL: SELECT "Third" FROM "2-15526447-1" WHERE "Teams" = 13.0 AND "Season" = 1996.0;

Question: What is the sum of season when the venue was Donington Park, and Brazil came in second?
SQL: SELECT SUM("Season") FROM "2-15526447-1" WHERE "Venue" = 'Donington Park' AND "Second" = 'Brazil';

Question: What is the average Season when the venue was circuit de nevers magny-cours, and Drivers was more than 30?
SQL: SELECT AVG("Season") FROM "2-15526447-1" WHERE "Venue" = 'circuit de nevers magny-cours' AND "Drivers" > 30.0;