CREATE TABLE table_204_576 (id DECIMAL, "year" DECIMAL, "best" TEXT, "location" TEXT, "date" TEXT, "world rank" TEXT)

which location has the best time other than brussels ?
SELECT "location" FROM table_204_576 WHERE "location" <> 'brussels' ORDER BY "best" LIMIT 1
SELECT "location" FROM "table_204_576" WHERE "location" <> 'brussels' ORDER BY "best" NULLS FIRST LIMIT 1