CREATE TABLE table_21159 ("Municipality" TEXT, "Income Class" TEXT, "District" TEXT, "Population  ( 2010 ) " FLOAT, "Area  ( km\\u00b2 ) " FLOAT)

what is the population where municipality is san jacinto?
SELECT "Population (2010)" FROM table_21159 WHERE "Municipality" = 'San Jacinto'
SELECT "Population (2010)" FROM "table_21159" WHERE "Municipality" = 'San Jacinto'