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_2538117_7 (founding_date VARCHAR, founding_university VARCHAR)
### Question:
If the founding university is in Washington, D.C., what was the founding date?
### Answer:
SELECT founding_date FROM table_2538117_7 WHERE founding_university = "Washington, D.C."