user: Question: What is the highest population of deuel county's 1819 households?
Columns: ['County', 'Per capita income', 'Median household income', 'Median family income', 'Population', 'Number of households']
Types: ['text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Union', '$33,783', '$59,889', '$71,308', 14399.0, 5756.0]
SQL:

assistant: SELECT MAX("Population") FROM "Table" WHERE "County" = 'deuel' AND "Number of households" < 1819.0;