CREATE TABLE table_204_630 (id DECIMAL, "no" DECIMAL, "date" TEXT, "race" TEXT, "track" TEXT, "winner" TEXT, "reports" TEXT)

where was the last race listing frank kimmel held ?
SELECT "track" FROM table_204_630 WHERE "winner" = 'frank kimmel' ORDER BY "date" DESC LIMIT 1
SELECT "track" FROM "table_204_630" WHERE "winner" = 'frank kimmel' ORDER BY "date" DESC NULLS LAST LIMIT 1