SELECT sum(T2.room_count) FROM Apartment_Buildings AS T1 JOIN Apartments AS T2 ON T1.building_id  =  T2.building_id WHERE T1.building_short_name  =  "Columbus Square"
Show the total number of rooms of the apartments in the building with short name "Columbus Square".
SELECT sum ( T2.room_count ) FROM Apartment_Buildings AS T1 JOIN Apartments AS T2 ON T1.building_id = T2.building_id WHERE T1.building_short_name = `` Columbus Square ''
select sum ( t2 . room_count ) from apartment_buildings as t1 join apartments as t2 on t1 . building_id = t2 . building_id where t1 . building_short_name = value
Show the total number of rooms of the apartments in the building with short name `` Columbus Square '' .