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 (finish VARCHAR, engine VARCHAR, start VARCHAR)
### Question:
What was Andretti's finish for the year he had a Buick engine and started 16th?
### Answer:
SELECT finish FROM table_name_50 WHERE engine = "buick" AND start = "16th"