CREATE TABLE table_76567 ("Date" CLOB, "Opponent" CLOB, "Venue" CLOB, "Result" CLOB, "Attendance" CLOB, "Competition" CLOB, "Man of the Match" CLOB)

What was the date when the attendance was n/a and the Man of the Match was unknown?
SELECT "Date" FROM table_76567 WHERE "Attendance" = 'n/a' AND "Man of the Match" = 'unknown'
SELECT "Date" FROM "table_76567" WHERE "Attendance" = 'n/a' AND "Man of the Match" = 'unknown'