user: Question: Name the median family income for Riverside
Columns: ['County', 'Population', 'Per capita income', 'Median household income', 'Median family income']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Alameda', 1494876.0, '$34,937', '$70,821', '$87,012']
SQL:

assistant: SELECT "Median family income" FROM "Table" WHERE "County" = 'Riverside';