CREATE TABLE table_51472 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the score of the home team that played Collingwood?
SELECT "Home team score" FROM table_51472 WHERE "Away team" = 'collingwood'
SELECT "Home team score" FROM "table_51472" WHERE "Away team" = 'collingwood'