CREATE TABLE "counties_ranked_by_income" (
  "county" text,
  "per_capita_income" text,
  "median_household_income" text,
  "median_family_income" text,
  "population" real,
  "number_of_households" real
);

Question: Which Population is the lowest one that has a Median family income of $74,905, and a Number of households smaller than 145,790?
SQL: SELECT MIN("population") FROM "counties_ranked_by_income" WHERE "median_family_income"='$74,905' AND "number_of_households"<'145,790';