CREATE TABLE table_55188 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

Who played Collingwood?
SELECT "Away team" FROM table_55188 WHERE "Home team" = 'collingwood'
SELECT "Away team" FROM "table_55188" WHERE "Home team" = 'collingwood'