Question: What rank has a population of 4839400?
SQL: SELECT MIN("Rank") FROM "2-16478687-5" WHERE "Population" = '4839400';

Question: What's the rank of the Province-level municipality?
SQL: SELECT "Rank" FROM "2-16478687-5" WHERE "Definition" = 'Province-level municipality';

Question: What rank was Core districts + inner suburbs and had a population of 10123000?
SQL: SELECT MAX("Rank") FROM "2-16478687-5" WHERE "Definition" = 'Core districts + inner suburbs' AND "Population" = '10123000';