CREATE TABLE table_45605 ("Res." CLOB, "Record" CLOB, "Opponent" CLOB, "Method" CLOB, "Event" CLOB, "Round" CLOB, "Location" CLOB)

How many rounds did the match last when his record was 6-6?
SELECT "Round" FROM table_45605 WHERE "Record" = '6-6'
SELECT "Round" FROM "table_45605" WHERE "Record" = '6-6'