CREATE TABLE table_52700 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

How many people were in the crowd when North Melbourne was the home team?
SELECT "Crowd" FROM table_52700 WHERE "Home team" = 'north melbourne'
SELECT "Crowd" FROM "table_52700" WHERE "Home team" = 'north melbourne'