What is the highest value for population when area is 9104?
CREATE TABLE "table1_298550_1" (
  "country_with_flag" text,
  "area_km" real,
  "population_1_july_2005_est" real,
  "population_density_per_km" text,
  "capital" text
);
SELECT MAX("population_1_july_2005_est") FROM "table1_298550_1" WHERE "area_km"=9104;