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_12 (district VARCHAR, party VARCHAR, elected VARCHAR)
### Question:
In which District(s) has a Democrat held office since 1998?
### Answer:
SELECT district FROM table_name_12 WHERE party = "democrat" AND elected > 1998