Table: south_africa_provinces
Columns: province
provincial_capital
largest_city
area_km_2
population_2013

Question: what is the largest city where the population is 6620100?
SQL: SELECT "largest_city" FROM south_africa_provinces WHERE "population_2013" = 6620100

Question: what is the largest city where the province is eastern cape?
SQL: SELECT "largest_city" FROM south_africa_provinces WHERE "province" = 'Eastern Cape'

Question: what is minimum area where the largest city is bloemfontein?
SQL: SELECT MIN("area_km_2") FROM south_africa_provinces WHERE "largest_city" = 'Bloemfontein'

Question: what is the numbe of provincial captial where the population is 1162900?
SQL: SELECT COUNT("provincial_capital") FROM south_africa_provinces WHERE "population_2013" = 1162900

Question: what is the number of provincial captial where the province is northern cape?
SQL: SELECT COUNT("provincial_capital") FROM south_africa_provinces WHERE "province" = 'Northern Cape'