CREATE TABLE table_55271 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

What date did Hawthorn play as the away team?
SELECT "Date" FROM table_55271 WHERE "Away team" = 'hawthorn'
SELECT "Date" FROM "table_55271" WHERE "Away team" = 'hawthorn'