CREATE TABLE table_18600760_18 (ansi_code NUMBER, land___sqmi__ VARCHAR2)

What is the ANSI code of the township where the area is 35.737 square miles?
SELECT MIN(ansi_code) FROM table_18600760_18 WHERE land___sqmi__ = "35.737"
SELECT MIN("ansi_code") FROM "table_18600760_18" WHERE "35.737" = "land___sqmi__"