What is the median household income with 4,527 houses, and a median family income of $71,009?
CREATE TABLE "missouri_counties_ranked_by_per_capita_i" (
  "county" text,
  "per_capita_income" text,
  "median_household_income" text,
  "median_family_income" text,
  "population" real,
  "number_of_households" real
);
SELECT "median_household_income" FROM "missouri_counties_ranked_by_per_capita_i" WHERE "number_of_households">'4,527' AND "median_family_income"='$71,009';