CREATE TABLE table_184334_2 (population__2010_census_ VARCHAR2, s_barangay VARCHAR2)

What is the population (2010 census) if s barangay is 51?
SELECT COUNT(population__2010_census_) FROM table_184334_2 WHERE s_barangay = 51
SELECT COUNT("population__2010_census_") FROM "table_184334_2" WHERE "s_barangay" = 51