CREATE TABLE table_53472 ("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 score for North Melbourne's home team?
SELECT "Away team score" FROM table_53472 WHERE "Away team" = 'north melbourne'
SELECT "Away team score" FROM "table_53472" WHERE "Away team" = 'north melbourne'