Question: How many different municipal mayors were there in the municipality with an area of 42.66 km2?
SQL: SELECT COUNT("Municipal Mayor") FROM "1-216776-2" WHERE "Area (km²)" = '42.66';

Question: What municipality had 26839 people living in it in 2010?
SQL: SELECT "Municipality" FROM "1-216776-2" WHERE "Population (2010)" = 26839.0;

Question: In what municipality were there 757.5 people per km2?
SQL: SELECT "Municipality" FROM "1-216776-2" WHERE "Pop. Density (per km²)" = '757.5';

Question: How many different counts of the population in Cavinti in 2010 are there?
SQL: SELECT COUNT("Population (2010)") FROM "1-216776-2" WHERE "Municipality" = 'Cavinti';

Question: How many people per km2 are there in the municipality whose mayor is Boy Quiat?
SQL: SELECT "Pop. Density (per km²)" FROM "1-216776-2" WHERE "Municipal Mayor" = 'Boy Quiat';