CREATE TABLE table_4922 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the away team's score when the away side scores 8.7 (55)?
SELECT "Home team score" FROM table_4922 WHERE "Away team score" = '8.7 (55)'
SELECT "Home team score" FROM "table_4922" WHERE "Away team score" = '8.7 (55)'