user: Question: What is the minimum hydroelectricity with a less than 116.4 total, and a greater than 18.637 solar?
Columns: ['Country', 'Year', 'Total', 'Hydroelectricity', 'Wind Power', 'Biomass and Waste', 'Solar']
Types: ['text', 'real', 'real', 'real', 'real', 'text', 'real']
Sample row: ['China', 2011.0, 797.4, 687.1, 73.2, '34', 3.0]
SQL:

assistant: SELECT MIN("Hydroelectricity") FROM "Table" WHERE "Total" < 116.4 AND "Solar" > 18.637;