CREATE TABLE table_64022 ("Opposing Team" CLOB, "Against" FLOAT, "Date" CLOB, "Venue" CLOB, "Round" CLOB)

Which round has an Opposing Team of manchester united?
SELECT "Round" FROM table_64022 WHERE "Opposing Team" = 'manchester united'
SELECT "Round" FROM "table_64022" WHERE "Opposing Team" = 'manchester united'