CREATE TABLE table_11605 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

When did Hawthorn play as the away team?
SELECT "Date" FROM table_11605 WHERE "Away team" = 'hawthorn'
SELECT "Date" FROM "table_11605" WHERE "Away team" = 'hawthorn'