https://www.hackerrank.com/challenges/weather-observation-station-15/problem
Query the Western Longitude (LONG_W) for the largest Northern Latitude (LAT_N) in STATION that is less than 137.2345. Round your answer to 4 decimal places.
Input Format
The STATION table is described as follows:
137.2345보다 작은 LAT_N 중 가장 큰 LAT_N을 가진 LONG_W를 소수점 4자리에서 반올림
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