Table: manila_stats
Columns: district
s_barangay
population_2010_census
area_has
pop_density_per_km2

Question: What is the population (2010 census) if s barangay is 51?
SQL: SELECT COUNT("population_2010_census") FROM manila_stats WHERE "s_barangay" = 51

Question: What is the population  (2010 census) if the area is 66.11?
SQL: SELECT MIN("population_2010_census") FROM manila_stats WHERE "area_has" = '66.11'