user: Question: What is the highest Rank with a density less than 376.37, the province was valverde, and an Area larger than 823?
Columns: ['Rank', 'Province', 'Population', 'Area', 'Density']
Types: ['real', 'text', 'real', 'real', 'real']
Sample row: [1.0, 'Distrito Nacional', 965040.0, 91.6, 10535.37]
SQL:

assistant: SELECT MAX("Rank") FROM "Table" WHERE "Density" < 376.37 AND "Province" = 'valverde' AND "Area" > 823.0;