CREATE TABLE weather (date VARCHAR2, EVENTS VARCHAR2, zip_code VARCHAR2)

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 "EVENTS" <> "Fog" AND "EVENTS" <> "Rain" AND "zip_code" = 94107