Title: Sion (Asia Minor)
Content:  Sion is a former ancient city and bishopric in Asia Minor (Asian Turkey), and presently a Latin Catholic titular see.
Title: Sion, Switzerland
Content:  Sion (Sitten ; Seduno; Sedunum) is a Swiss town, a municipality, and the capital of the canton of Valais and of the district of Sion. it had a population of (known as Sédunois(es)). On 17 January 1968, the former municipality of Bramois merged into the municipality of Sion. On 1 January 2013, the former municipality of Salins merged into the municipality of Sion, and on 1 January 2017, Les Agettes did the same. Landmarks in Sion include the Basilique de Valère and the Château de Tourbillon. Sion has an airfield for civilian and military use, which serves as a base for air rescue missions.
Title: Sion (Asia Minor)
Content:  Sion was a city in the Roman province of Asia Prima. It was important enough to become a bishopric, suffragan of the Metropolitan of the provincial capital Ephesus, but faded.
Title: Sion District
Content:  The district of Sion is a district of the canton of Valais in Switzerland. It has a population of (as of ).
Title: Sion Airport
Content:  Sion Airport (Military: LSMS) is the airport of the city of Sion, Switzerland and  is located 2.5 km southwest of Sion city in the Rhone Valley. The airport opened in 1935.
Title: Sion, Switzerland
Content:  Sion is twinned with:
Title: Sion, Switzerland
Content:  At the end of the 1st century BC, Sion was the capital of the Seduni, one of the four Celtic tribes of the Valais. Julius Caesar mentions them as Nantuates Sedunos Veragrosque. They were conquered by the Romans in the 10s BC. By 8–7 BC, Emperor Augustus praised the tribe (civitas) of the Seduni with an inscription. The town-hall is said to contain several Roman inscriptions, one of which found at Sion commemorates the Roman presence: Civitas Sedunorum Patrono. Under the Romans it was known as Sedunum. The Roman settlement stretched mainly from what is now St. Theodul, between the Sionne and to the west side of the hill, Valeria. Under the church, a large bath complex was discovered and 
Title: Sion, Switzerland
Content:  Torrente founded a liberal party in 1830. In the cantonal government, Sion agreed most often with the German-speaking Upper Valais. Which gave the Upper Valais a majority of the Zenden in the council, to the detriment of the French-speaking Lower Valais. However, after the vote on the constitution of 1839, the Upper Valais broke away from the rest of the canton. Sion was chosen as the capital of the Valais, while the breakaway Upper Valais chose Sierre. In 1840, the Upper and Lower Valais were reunited. But four years later, Sion was occupied by Upper Valais troops during the beginning of the Sonderbund War. Federal troops occupied Sion in November 1847.
Title: Sioni (townlet)
Content:  Sioni (სიონი) is a townlet in Georgia, the part of Tianeti Municipality, in the Mtskheta-Mtianeti region. Located 80 km from the Tbilisi railway station, it arose in 1951 during the construction of the Sioni reservoir. Sioni obtained status of a townlet in 1960. Until the 1970s, it was called Sionmsheni.
Title: Sion, Switzerland
Content:  Sion is situated on the main railway line and the motorway, and also has an airport (Sion Airport).

Question: What is Sion the capital of?
Answer: Canton of Valais.
Wallis.
VS.
Valais.
Canton of Wallis.
Roman Catholic Diocese of Sion.