CREATE TABLE table_4600 ("Home team" CLOB, "Home team score" CLOB, "Away team" CLOB, "Away team score" CLOB, "Venue" CLOB, "Crowd" FLOAT, "Date" CLOB)

How many attended the game with north melbourne as the away side?
SELECT COUNT("Crowd") FROM table_4600 WHERE "Away team" = 'north melbourne'
SELECT COUNT("Crowd") FROM "table_4600" WHERE "Away team" = 'north melbourne'