Value for the chosen lookup. By mode: name = country name (e.g. Spain); code = ISO-2 or ISO-3 codes, semicolon-separated (e.g. US;FR;JP or USA;FRA;JPN); region = one of Africa, Americas, Asia, Europe, Oceania, Antarctic; subregion = one of Northern Africa, Sub-Saharan Africa, Northern America, Caribbean, South America, Central America, Central Asia, Eastern Asia, South-Eastern Asia, Southern Asia, Western Asia, Eastern Europe, Northern Europe, Southern Europe, Western Europe, Australia and New Zealand, Melanesia, Micronesia, Polynesia; currency = 3-letter ISO 4217 code (e.g. EUR, USD, JPY, GBP); language = English language name (e.g. Spanish, English, French, Mandarin); capital = capital city name (e.g. Tokyo, London, Brasília). Ignored when mode is all.