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 trip (bike_id VARCHAR, zip_code VARCHAR)
### Question:
Which bike traveled the most often in zip code 94002?
### Answer:
SELECT bike_id FROM trip WHERE zip_code = 94002 GROUP BY bike_id ORDER BY COUNT(*) DESC LIMIT 1