CREATE TABLE table_34147 ("Rank" CLOB, "Common of" CLOB, "Population" FLOAT, "Area  ( km 2  ) " FLOAT, "Density  ( inhabitants/km 2  ) " FLOAT, "Altitude  ( mslm ) " FLOAT)

How much Area (km 2) has a Common of collegno, and a Population smaller than 50137?
SELECT COUNT("Area (km 2 )") FROM table_34147 WHERE "Common of" = 'collegno' AND "Population" < '50137'
SELECT COUNT("Area (km 2 )") FROM "table_34147" WHERE "Common of" = 'collegno' AND "Population" < '50137'