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 (date_founded INTEGER, county_or_counties VARCHAR)
### Question:
what is the most recent date founded in elk county?
### Answer:
SELECT MAX(date_founded) FROM table_name_6 WHERE county_or_counties = "elk county"