Question: What is the highest Rank with a density less than 376.37, the province was valverde, and an Area larger than 823?
SQL: SELECT MAX("Rank") FROM "2-15707829-3" WHERE "Density" < 376.37 AND "Province" = 'valverde' AND "Area" > 823.0;

Question: What is the average Density when the area is more than 1185.8 with a population of 63029?
SQL: SELECT AVG("Density") FROM "2-15707829-3" WHERE "Area" > 1185.8 AND "Population" = 63029.0;

Question: What is the highest Density for the independencia province, with an area smaller than 2007.4?
SQL: SELECT MAX("Density") FROM "2-15707829-3" WHERE "Province" = 'independencia' AND "Area" < 2007.4;