Question: What is the total population of american samoa (us) that has less than 16280 km² arable land, less than 240 km² land area, and has a population density of more than 291?
SQL: SELECT COUNT("Population (July 2005 est.)") FROM "2-17503825-1" WHERE "Arable Land (km²)" < 16280.0 AND "Land Area (km²)" < 240.0 AND "Country" = 'american samoa (us)' AND "Population Density (pop per km²)" > 291.0;

Question: What's the arable land for the population of 20090437?
SQL: SELECT MAX("Arable Land (km²)") FROM "2-17503825-1" WHERE "Population (July 2005 est.)" = 20090437.0;

Question: What is the land area of switzerland with a population density fewer than 188 km²?
SQL: SELECT AVG("Land Area (km²)") FROM "2-17503825-1" WHERE "Country" = 'switzerland' AND "Population Density (pop per km²)" < 188.0;

Question: What's the population density of the Democratic Republic of the Congo when the population is greater than 37762842, and the arable land is more than 200 km²?
SQL: SELECT "Population Density (pop per km²)" FROM "2-17503825-1" WHERE "Population (July 2005 est.)" > 37762842.0 AND "Arable Land (km²)" > 200.0 AND "Country" = 'Democratic Republic of the Congo';