CREATE TABLE table_11211 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What day did Geelong play as the away team?
SELECT "Date" FROM table_11211 WHERE "Away team" = 'geelong'
SELECT "Date" FROM "table_11211" WHERE "Away team" = 'geelong'