Table: chile_provinces
Columns: region
province
capital
no_of_communes
area
2002_population

Question: What province has a v valparaíso region and an area of 927.2?
SQL: SELECT "province" FROM chile_provinces WHERE "region" = 'v valparaíso' AND "area" = 927.2

Question: What is the average area with valparaíso as the capital?
SQL: SELECT AVG("area") FROM chile_provinces WHERE "capital" = 'valparaíso'