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_96 (mar_17 VARCHAR, april_21 VARCHAR)
### Question:
What is the rank for Mar 17 when the April 21 rank is 10?
### Answer:
SELECT mar_17 FROM table_name_96 WHERE april_21 = "10"