CREATE TABLE table_70844 ("Year" FLOAT, "Competition" CLOB, "Town" CLOB, "Opponent" CLOB, "Final score" CLOB)

what is the competition that had a final score of 6:5?
SELECT "Competition" FROM table_70844 WHERE "Final score" = '6:5'
SELECT "Competition" FROM "table_70844" WHERE "Final score" = '6:5'