CREATE TABLE table_name_70 (fips_code NUMBER, area VARCHAR2, population__2010_ VARCHAR2)

What is the FIPS code for the municipality that has an area of 114.76 sq mi (297.23 sq km) and had a 2010 population of less than 166,327?
SELECT AVG(fips_code) FROM table_name_70 WHERE area = "114.76 sq mi (297.23 sq km)" AND population__2010_ < 166 OFFSET 327
SELECT AVG("fips_code") FROM "table_name_70" WHERE "114.76 sq mi (297.23 sq km)" = "area" AND "population__2010_" < 166 OFFSET 327 ROWS