CREATE TABLE table_61470 ("Tie no" CLOB, "Home team" CLOB, "Score" CLOB, "Away team" CLOB, "Date" CLOB)

When was the game played that had Rochdale as the away team?
SELECT "Date" FROM table_61470 WHERE "Away team" = 'rochdale'
SELECT "Date" FROM "table_61470" WHERE "Away team" = 'rochdale'