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_15416002_1 (v_mph_ INTEGER, chi VARCHAR)
### Question:
What is the maximum miles per hour recorded when the  CHI (Carvill Hurricane Index) is equal to 13.5
### Answer:
SELECT MAX(v_mph_) FROM table_15416002_1 WHERE chi = "13.5"