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_15 (attendance INTEGER, opponent VARCHAR, date VARCHAR)
### Question:
How low is the Attendance that has an Opponent of devil rays and a Date of may 13?
### Answer:
SELECT MIN(attendance) FROM table_name_15 WHERE opponent = "devil rays" AND date = "may 13"