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_name_50 (season VARCHAR, acquisition_via VARCHAR, number VARCHAR)
### Question:
What is the Season with an Acquisition via of rookie draft, and the number is 15?
### Answer:
SELECT season FROM table_name_50 WHERE acquisition_via = "rookie draft" AND number = "15"