CREATE TABLE "largest_urban_agglomerations_by_populati" (
  "rank" real,
  "city" text,
  "population" real,
  "country" text,
  "area_km" real
);

Question: What is Busan's rank?
SQL: SELECT SUM("rank") FROM "largest_urban_agglomerations_by_populati" WHERE "city"='busan';

Question: Which rank had a population of 7,069,000?
SQL: SELECT COUNT("rank") FROM "largest_urban_agglomerations_by_populati" WHERE "population"='7,069,000';

Question: What is the total population for the 3,616km area?
SQL: SELECT COUNT("population") FROM "largest_urban_agglomerations_by_populati" WHERE "area_km"='3,616';