With a per capita income of $30,298, what was the total number of households?
CREATE TABLE "ohio_locations_ranked_by_per_capita_inco" (
  "rank" real,
  "place" text,
  "county" text,
  "per_capita_income" text,
  "median_house_hold_income" text,
  "population" real,
  "number_of_households" real
);
SELECT COUNT("number_of_households") FROM "ohio_locations_ranked_by_per_capita_inco" WHERE "per_capita_income"='$30,298';