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_19 (specific_impulse__s_ VARCHAR, scenario VARCHAR)
### Question:
What is the specific impulse for the engine with a scenario of sr-71 at mach 3.2 (wet)?
### Answer:
SELECT specific_impulse__s_ FROM table_name_19 WHERE scenario = "sr-71 at mach 3.2 (wet)"