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_25 (position VARCHAR, crewe_alexandra_career VARCHAR, goals VARCHAR)
### Question:
What is the position when the Crewe Alexandra career is 1988–1990, with 31 goals?
### Answer:
SELECT position FROM table_name_25 WHERE crewe_alexandra_career = "1988–1990" AND goals = 31