https://www.hackerrank.com/challenges/weather-observation-station-17/problem
Query the Western Longitude (LONG_W)where the smallest Northern Latitude (LAT_N) in STATION is greater than . Round your answer to decimal places.
SELECT ROUND(LONG_W,4)
FROM STATION
WHERE LAT_N > 38.7780
ORDER BY LAT_N
LIMIT 1