CREATE TABLE table_203_271 (id NUMBER, "date" CLOB, "series" CLOB, "circuit" CLOB, "city / state" CLOB, "winner" CLOB, "team" CLOB, "car" CLOB, "report" CLOB)

how many races were won by mark skaife ?
SELECT COUNT(*) FROM table_203_271 WHERE "winner" = 'mark skaife'
SELECT COUNT(*) FROM "table_203_271" WHERE "winner" = 'mark skaife'