Question: Can you tell me the total number of Rank that has the Area (km 2) smaller than 2040, and the Population smaller than 1234596?
SQL: SELECT COUNT("Rank") FROM "2-128608-1" WHERE "Area (km 2 )" < 2040.0 AND "Population" < 1234596.0;

Question: Can you tell me the sun of Population that has the Country/Region of hong kong, and the Rank smaller than 2?
SQL: SELECT SUM("Population") FROM "2-128608-1" WHERE "Country/Region" = 'hong kong' AND "Rank" < 2.0;