Question: What's the population with a code more than 90902 and an area less than 1335.47?
SQL: SELECT MIN("Population") FROM "2-1894556-1" WHERE "Code" > 90902.0 AND "Area (km 2 )" < 1335.47;

Question: What's the most area of bochum part 2 with a population less than 15911?
SQL: SELECT MAX("Area (km 2 )") FROM "2-1894556-1" WHERE "Place" = 'bochum part 2' AND "Population" < 15911.0;

Question: What's the place with an area of less than 2198.72 and a code more than 90909?
SQL: SELECT "Place" FROM "2-1894556-1" WHERE "Area (km 2 )" < 2198.72 AND "Code" > 90909.0;