SELECT date FROM weather WHERE zip_code  =  94107 AND EVENTS != "Fog" AND EVENTS != "Rain"
In zip code 94107, on which day neither Fog nor Rain was not observed?
SELECT date FROM weather WHERE zip_code = 94107 AND EVENTS ! = `` Fog '' AND EVENTS ! = `` Rain ''
select date from weather where zip_code = value and events ! = value and events ! = value
In zip code 94107 , on which day neither Fog nor Rain was not observed ?