Question: How big is the area of the country where the Farkhor Air Base is located?
Sentence (from "Tajikistan"): Tajikistan ( , , or ; Тоҷикистон ] ; Russian: Таджикистан ), officially the Republic of Tajikistan (Tajik: Ҷумҳурии Тоҷикистон , "Çumhuriji Toçikiston/Jumhuriyi Tojikiston", جمهوری تاجیکستان, Russian: Республика Таджикистан ), also unofficially spelled as Tadzhikistan, is a mountainous, landlocked country in Central Asia with an estimated population of /1e6 round 1 million people as of , and an area of 143100 km2 .
Relevant evidence: Yes