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_18012738_1 (original_air_date VARCHAR, ai___percentage_ VARCHAR)
### Question:
Name the original air date for ai% for 83
### Answer:
SELECT original_air_date FROM table_18012738_1 WHERE ai___percentage_ = 83