user: Question: What was the population of Green County?
Columns: ['County', 'Per capita income', 'Median household income', 'Median family income', 'Population', 'Number of households']
Types: ['text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Ozaukee', '$39,778', '$74,996', '$90,133', 86395.0, 34228.0]
SQL:

assistant: SELECT "Population" FROM "Table" WHERE "County" = 'Green';