Question: Sinhala is the official language of which country?
Answer: Sri Lanka government; Republic of Sri Lanka; Ceilan; Ceilao; Free, Sovereign and Independent Republic of Sri Lanka; Etymology of Sri Lanka; Administrative divisions of Sri Lanka; Ceylon; Sri Lanka; Independence of Sri Lanka; Socialist Republic of Sri Lanka; Provincial capitals of Sri Lanka; Ilankai Jananayaka; Sri-Lanka; இலங்கை; Sir Lanka; Ilankai Jananayaka Choshalichak Kutiyarachu; Subdivisions of Sri Lanka; Choshalichak Kutiyarachu; Hela Diva; Free Sovereign and Independent Republic of Sri Lanka; Srilanka; இலங்கை சனநாயக சோசலிசக் குடியரசு; Cejlon; Sri Lanca; Ceylonese; Sri Lankan Republic; Sri Lanak; ශ්‍රී ලංකා ප්‍රජාතාන්ත්‍රික සමාජවාදී ජනරජය; Sulloon; Srí Lanka; ISO 3166-1:LK; S Lanka; Democratic Socialist Republic of Sri Lanka; Ilaṅkai Jaṉanāyaka Choṣhalichak Kuṭiyarachu; Venerable Island; Sri lankan; Sri lanka; Helaya; Shri Lamka Prajatantrika Samajaya di Janarajaya; The Democratic Socialist Republic of Sri Lanka; Sri Lankan Martial Arts; Heladiva; Ilaṅkai; Śrī Laṃkāva; SriLanka; Sri Lamka; Seilan; Tourist Sri Lanka; Sielediva; Ilankai; Island of Ceylon