What is the population of Tioga county?
CREATE TABLE "new_york_counties_ranked_by_per_capita_i" (
  "county" text,
  "per_capita_income" text,
  "median_household_income" text,
  "median_family_income" text,
  "population" real,
  "number_of_households" real
);
SELECT "population" FROM "new_york_counties_ranked_by_per_capita_i" WHERE "county"='tioga';