CREATE TABLE table_204_283 (id DECIMAL, "season" TEXT, "series" TEXT, "team" TEXT, "races" DECIMAL, "wins" DECIMAL, "poles" DECIMAL, "f/laps" DECIMAL, "podiums" DECIMAL, "points" DECIMAL, "position" TEXT)

total races in 2003 season
SELECT SUM("races") FROM table_204_283 WHERE "season" = 2003
SELECT SUM("races") FROM "table_204_283" WHERE "season" = 2003