What is Median Family Income, when Median Household Income is "$50,717"?
CREATE TABLE "georgia_counties_ranked_by_per_capita_in" (
  "county" text,
  "per_capita_income" text,
  "median_household_income" text,
  "median_family_income" text,
  "population" real,
  "number_of_households" real
);
SELECT "median_family_income" FROM "georgia_counties_ranked_by_per_capita_in" WHERE "median_household_income"='$50,717';