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_50 (fuel VARCHAR, output VARCHAR)
### Question:
Which Fuel has an Output of ps (kw; hp) @6000 rpm?
### Answer:
SELECT fuel FROM table_name_50 WHERE output = "ps (kw; hp) @6000 rpm"