CREATE TABLE "table1_22854436_1" (
  "administrative_region" text,
  "population_2002_census_data" real,
  "surface_km_2" real,
  "main_rivers" text,
  "average_annual_rainfall_mm" text,
  "average_annual_runoff_mm" text,
  "per_capita_average_annual_renewable_water_resources_m_3" real
);

Question: Name the annual rainfail for 2002 population being 493984
SQL: SELECT "average_annual_rainfall_mm" FROM "table1_22854436_1" WHERE "population_2002_census_data"=493984;

Question: Name the most population 2002
SQL: SELECT MAX("population_2002_census_data") FROM "table1_22854436_1";

Question: Name the total water resources m3 for rainfall being 650
SQL: SELECT COUNT("per_capita_average_annual_renewable_water_resources_m_3") FROM "table1_22854436_1" WHERE "average_annual_rainfall_mm"='650';