CREATE TABLE table_57451 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

When the home team scored 9.17 (71), what did the away team score?
SELECT "Away team score" FROM table_57451 WHERE "Home team score" = '9.17 (71)'
SELECT "Away team score" FROM "table_57451" WHERE "Home team score" = '9.17 (71)'