What year had an edition of 115th?
CREATE TABLE table_name_21 (
    year INTEGER,
    edition VARCHAR
)
SELECT AVG(year) FROM table_name_21 WHERE edition = "115th"
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: What year had an edition of 115th? ### Input: CREATE TABLE table_name_21 (
    year INTEGER,
    edition VARCHAR
) ### Response: SELECT AVG(year) FROM table_name_21 WHERE edition = "115th"