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_83 (location VARCHAR, tail_number VARCHAR)
### Question:
In what location was the tail number ZS-SPF?
### Answer:
SELECT location FROM table_name_83 WHERE tail_number = "zs-spf"