user: Question: What is the 1930 population when the 2006 est. is less than 44726 in the county of Frio?
Columns: ['County', '1900', '1930', '1950', '2000', '2006 est.']
Types: ['text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Dimmit', 1106.0, 8828.0, 10654.0, 10248.0, 10385.0]
SQL:

assistant: SELECT "1930" FROM "Table" WHERE "2006 est." < 44726.0 AND "County" = 'Frio';