Question: What is the average area of the city that has a density less than than 206.2 and an altitude of less than 85?
SQL: SELECT AVG("Area (km 2 )") FROM "2-1448810-1" WHERE "Density (inhabitants/km 2 )" < 206.2 AND "Altitude (mslm)" < 85.0;

Question: What is the lowest density of Alessandria where the area is bigger than 16.02 and altitude is less than 116?
SQL: SELECT MIN("Density (inhabitants/km 2 )") FROM "2-1448810-1" WHERE "Area (km 2 )" > 16.02 AND "Altitude (mslm)" < 116.0 AND "City" = 'Alessandria';

Question: What is the lowest density of Serravalle Scrivia?
SQL: SELECT MIN("Density (inhabitants/km 2 )") FROM "2-1448810-1" WHERE "City" = 'Serravalle Scrivia';

Question: What is the lowest population of Alessandria where the altitude is less than 197 and density is less than 461.8?
SQL: SELECT MIN("Population") FROM "2-1448810-1" WHERE "Altitude (mslm)" < 197.0 AND "City" = 'Alessandria' AND "Density (inhabitants/km 2 )" < 461.8;