Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_6 (inegi_code INTEGER, municipal_seat VARCHAR, area__km2_ VARCHAR)
### Question:
What is the inegi code for mexicali with 13,700 km area?
### Answer:
SELECT AVG(inegi_code) FROM table_name_6 WHERE municipal_seat = "mexicali" AND area__km2_ > 13 OFFSET 700