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_22383603_1 (season VARCHAR, finish__incl_championship_ VARCHAR)
### Question:
What season ended on April 18?
### Answer:
SELECT season FROM table_22383603_1 WHERE finish__incl_championship_ = "April 18"