Table: punjab_cities
Columns: serial_no
district
headquartered_city
city_population_2009
city_area_km_2

Question: In what district is the city listed in Serial number 9?
SQL: SELECT COUNT("district") FROM punjab_cities WHERE "serial_no" = 9

Question: What is the area of the city in the Sargodha district?
SQL: SELECT COUNT("city_area_km_2") FROM punjab_cities WHERE "district" = 'Sargodha District'

Question: What is the smallest city area?
SQL: SELECT MIN("city_area_km_2") FROM punjab_cities