CREATE TABLE table_204_747 (id NUMBER, "season" CLOB, "skip" CLOB, "third" CLOB, "second" CLOB, "lead" CLOB, "events" CLOB)

what was the only season where kevin martin was the skip ?
SELECT "season" FROM table_204_747 WHERE "skip" = 'kevin martin'
SELECT "season" FROM "table_204_747" WHERE "skip" = 'kevin martin'