CREATE TABLE table_10678 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the home score at the Princes Park game?
SELECT "Home team score" FROM table_10678 WHERE "Venue" = 'princes park'
SELECT "Home team score" FROM "table_10678" WHERE "Venue" = 'princes park'