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 weather (zip_code VARCHAR, mean_sea_level_pressure_inches INTEGER)
### Question:
What is the zip code in which the average mean sea level pressure is the lowest?
### Answer:
SELECT zip_code FROM weather GROUP BY zip_code ORDER BY AVG(mean_sea_level_pressure_inches) LIMIT 1