Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_60 (area__km_2__ VARCHAR, common_of VARCHAR, population VARCHAR)
### Question:
How much Area (km 2) has a Common of collegno, and a Population smaller than 50137?
### Answer:
SELECT COUNT(area__km_2__) FROM table_name_60 WHERE common_of = "collegno" AND population < 50137