user: Question: Which Median family income has a Median household income of $43,125?
Columns: ['County', 'Per capita income', 'Median household income', 'Median family income', 'Population', 'Number of households']
Types: ['text', 'text', 'text', 'text', 'real', 'real']
Sample row: ['Johnson', '$37,882', '$73,733', '$90,380', 544179.0, 212882.0]
SQL:

assistant: SELECT "Median family income" FROM "Table" WHERE "Median household income" = '$43,125';