Question: In the 2005 season, how many races did the 15th place team complete?
SQL: SELECT AVG("Races") FROM "2-15813224-1" WHERE "Final Placing" = '15th' AND "Season" = '2005';

Question: Which team completed 10 races?
SQL: SELECT "Team Name" FROM "2-15813224-1" WHERE "Races" = 10.0;