CREATE TABLE table_63109 ("Round" CLOB, "Date" CLOB, "Against" CLOB, "Score AUFC \\u2013 Away" CLOB, "Attendance" FLOAT, "Weekday" CLOB)

What date has an against of pohang steelers?
SELECT "Date" FROM table_63109 WHERE "Against" = 'pohang steelers'
SELECT "Date" FROM "table_63109" WHERE "Against" = 'pohang steelers'