Table: minn_income
Columns: county
per_capita_income
median_household_income
median_family_income
population
number_of_households

Question: What Per capita income has a Median family income of $50,755?
SQL: SELECT "per_capita_income" FROM minn_income WHERE "median_family_income" = '$50,755'

Question: What Number of households have a Median family income of $58,491?
SQL: SELECT "number_of_households" FROM minn_income WHERE "median_family_income" = '$58,491'