CREATE TABLE table_18600760_18 (geo_id INT, land___sqmi__ VARCHAR)

What is the GEO ID of the township with area of 32.532 square miles?
SELECT MAX(geo_id) FROM table_18600760_18 WHERE land___sqmi__ = "32.532"
SELECT MAX("geo_id") FROM "table_18600760_18" WHERE "32.532" = "land___sqmi__"