What is the lowest number of households for the entry with a median income of $41,778 and a population greater than 38,319?
CREATE TABLE "alabama_counties_ranked_by_per_capita_in" (
  "county" text,
  "per_capita_income" text,
  "median_household_income_1_000_000" text,
  "median_family_income" text,
  "population" real,
  "number_of_households" real
);
SELECT MIN("number_of_households") FROM "alabama_counties_ranked_by_per_capita_in" WHERE "median_family_income"='$41,778' AND "population">'38,319';