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_1751142_2 (shuttle_time__seconds_ VARCHAR, speed__km_h_ VARCHAR)
### Question:
What is the shuttle time for the level where the speed is 15.5 km/h?
### Answer:
SELECT shuttle_time__seconds_ FROM table_1751142_2 WHERE speed__km_h_ = "15.5"