If the letters is , what is the founding date?
CREATE TABLE table_2538117_7 (
    founding_date VARCHAR,
    letters VARCHAR
)
SELECT founding_date FROM table_2538117_7 WHERE letters = "ΦΑΝ"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: If the letters is , what is the founding date? ### Input: CREATE TABLE table_2538117_7 (
    founding_date VARCHAR,
    letters VARCHAR
) ### Response: SELECT founding_date FROM table_2538117_7 WHERE letters = "ΦΑΝ"