user: Question: What is the highest population (2008) created earlier than 1857, and the county was Sinoe?
Columns: ['map#', 'County', 'Capital', 'Population (2008)', 'Area', 'Created']
Types: ['real', 'text', 'text', 'real', 'text', 'real']
Sample row: [1.0, 'Bomi', 'Tubmanburg', 82036.0, 'sqmi (km2)', 1984.0]
SQL:

assistant: SELECT MAX("Population (2008)") FROM "Table" WHERE "Created" < 1857.0 AND "County" = 'Sinoe';