CREATE TABLE table_4890 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

Who faced Collingwood as an away team?
SELECT "Away team" FROM table_4890 WHERE "Home team" = 'collingwood'
SELECT "Away team" FROM "table_4890" WHERE "Home team" = 'collingwood'