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_15944_5 (engine_type VARCHAR, scenario VARCHAR)
### Question:
What engine type is used in a Space Shuttle Vacuum scenario?
### Answer:
SELECT engine_type FROM table_15944_5 WHERE scenario = "Space shuttle vacuum"