CREATE TABLE table_52586 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What is the home team score when north Melbourne was the away team?
SELECT "Home team score" FROM table_52586 WHERE "Away team" = 'north melbourne'
SELECT "Home team score" FROM "table_52586" WHERE "Away team" = 'north melbourne'