CREATE TABLE table_53391 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the score for Collingwood as the home team?
SELECT "Home team score" FROM table_53391 WHERE "Home team" = 'collingwood'
SELECT "Home team score" FROM "table_53391" WHERE "Home team" = 'collingwood'