user: Question: What's the total of Water (sqmi) with a Land (sqmi) of 35.918 and has a Longitude that is smaller than -97.115459?
Columns: ['Township', 'County', 'Pop. (2010)', 'Land ( sqmi )', 'Water (sqmi)', 'Latitude', 'Longitude', 'GEO ID', 'ANSI code']
Types: ['text', 'text', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Dahlen', 'Nelson', 68.0, 35.71, 0.247, 48.148601, 97.957149, 3806317660.0, 1036580.0]
SQL:

assistant: SELECT SUM("Water (sqmi)") FROM "Table" WHERE "Land ( sqmi )" = 35.918 AND "Longitude" < -97.115459;