CREATE TABLE table_10129 ("Home team" TEXT, "Home team score" TEXT, "Away team" TEXT, "Away team score" TEXT, "Venue" TEXT, "Crowd" FLOAT, "Date" TEXT)

What was total size of the crowd at a home game for north melbourne?
SELECT SUM("Crowd") FROM table_10129 WHERE "Home team" = 'north melbourne'
SELECT SUM("Crowd") FROM "table_10129" WHERE "Home team" = 'north melbourne'