Funso (Chichewa): Kodi chiwerengero chonse cha anthu mdera la mzinda wa 21 ndi chochuluka bwanji?
Question (English): What is the total population in the urban settlements of Traditional Authority (TA) Area 21?
Table: population (difficulty: easy)
SQL: SELECT SUM(CAST(total_population AS INTEGER)) FROM population WHERE ta_name = 'Area 21' AND admin_status = 'Urban';
Result: [(161099,)]