CREATE TABLE table_77376 ("Opposing Team" TEXT, "Against" FLOAT, "Date" TEXT, "Venue" TEXT, "Status" TEXT)

Which venue had an against score smaller than 18 when the opposing team was North Auckland?
SELECT "Venue" FROM table_77376 WHERE "Against" < '18' AND "Opposing Team" = 'north auckland'
SELECT "Venue" FROM "table_77376" WHERE "Against" < '18' AND "Opposing Team" = 'north auckland'