Table schema:
CREATE TABLE table_name_31 (longitude INTEGER, latitude VARCHAR, water__sqmi_ VARCHAR)

Question: What's the lowest listed longitude that has a Latitude of 46.843963 and Water (sqmi) that is smaller than 0.052000000000000005?
SQL: SELECT MIN(longitude) FROM table_name_31 WHERE latitude = 46.843963 AND water__sqmi_ < 0.052000000000000005