user: ### NOW ANSWER:
Question: Which Population has a County of mississippi, and a Number of households smaller than 17741?
Columns: ['County', 'Per capita income', 'Median household income', 'Median family income', 'Population', 'Number of households']
Types: ['text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['United States', '$27,334', '$51,914', '$62,982', 308745538.0, 116716292.0]
SQL:

assistant: SELECT SUM("Population") FROM "Table" WHERE "County" = 'mississippi' AND "Number of households" < 17741.0;