CREATE TABLE table_51451 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was the home team's score when the away team scored 15.17 (107)?
SELECT "Home team score" FROM table_51451 WHERE "Away team score" = '15.17 (107)'
SELECT "Home team score" FROM "table_51451" WHERE "Away team score" = '15.17 (107)'