Table:
text: El Tamarugal
Administration
Administration
Commune Area_km_2_ _2002_population Density_km_2_ Government_website
Pozo Almonte (Capital) 13765.8 10830 0.8 link
Pica 8934.3 6178 0.7 link
Huara 10474.6 2599 0.2 link
Colchane 4015.6 1649 0.4 link
Camiña 2200.2 1275 0.6 none
Province 39390.5 22531 0.6 link

Question: What is the density for the area in El Tamarugal that is greater than 4,015.6 and population less than 6,178?

Question: What is the density having an area less than 2,200.2 and population greater than 2,599 for El Tamarugal?