Table: county_income_data
Columns: county
per_capita_income
median_household_income
median_family_income
population
number_of_households

Question: How many households have a Median household income of $43,889?
SQL: SELECT AVG("number_of_households") FROM county_income_data WHERE "median_household_income" = '$43,889'

Question: Which Population has a Median family income of $53,946?
SQL: SELECT MAX("population") FROM county_income_data WHERE "median_family_income" = '$53,946'