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_78 (area VARCHAR, authority VARCHAR, roll VARCHAR)
### Question:
Which area has state authority and a roll fewer than 18?
### Answer:
SELECT area FROM table_name_78 WHERE authority = "state" AND roll < 18