CREATE TABLE table_33739 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

What day is collingwood the home side?
SELECT "Date" FROM table_33739 WHERE "Home team" = 'collingwood'
SELECT "Date" FROM "table_33739" WHERE "Home team" = 'collingwood'