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_17 (school VARCHAR, event VARCHAR)
### Question:
What is School, when Event is "100 Backstroke"?
### Answer:
SELECT school FROM table_name_17 WHERE event = "100 backstroke"