What is the lowest Population, when Per Capita Income is "$16,330"?
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 MIN("population") FROM "georgia_counties_ranked_by_per_capita_in" WHERE "per_capita_income"='$16,330';