user: Question: Van Meter has a water(sqmi) of 0 and a longitude larger than -98.444062, what was their highest ANSI code?
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: ['Vale', 'Burke', 24.0, 34.764, 0.959, 48.853051, 102.603806, 3801381020.0, 1759332.0]
SQL:

assistant: SELECT MAX("ANSI code") FROM "Table" WHERE "Water (sqmi)" = 0.0 AND "Township" = 'Van Meter' AND "Longitude" > -98.444062;