Ranked lists of Chilean regions

Columns: Region | Density ( /km² ) | Density ( /mi² ) | Comparable country
Arica and Parinacota | 11.0 | 28 | Turkmenistan | Tarapacá | 7.4 | 19 | Central African Republic | Antofagasta | 4.6 | 12 | Gabon | Atacama | 3.7 | 9.6 | Libya | Coquimbo | 17.7 | 46 | Solomon Islands | Valparaíso | 107.3 | 278 | Hungary | Santiago | 446.9 | 1,157 | Puerto Rico | O'Higgins | 53.9 | 140 | Mexico

Example questions:
What is the capital of the country with a population density comparable to the Chilean region of Los Lagos ? | What port city in the Chilean region with a density comparable to the Central African Republic has a population of 216,419 ? | What is the capital of the country with a population density comparable to the Chilean region of Los Ríos ? | What desert lies in the south of the country with a population density comparable to the Chilean region of Magallanes ? | Which law created the Chilean region with a density comparable to Turkmenistan ?

Answers:
Lusaka | Iquique | Stockholm | Gobi Desert | Law No . 20,175