Question: Steponas Kairys is from which city in vilnius county?

Context paragraphs:
Šalčininkai: Šalčininkai ( , Polish: "Soleczniki" , Yiddish: סאָלעטשניק‎ "Solechnik", Belarusian: Салечнікі ) is a city in Vilnius County, Lithuania, situated south-east of Vilnius, near the border with Belarus.

County governor (Lithuania): A county governor (Lithuanian: singular – "apskrities viršininkas", plural – "apskrities viršininkai") is the leader of a county, the first-level administrative unit of Lithuania.  County governors are chosen by the Prime Minister and confirmed by the central government rather than elected by the people.  In general, county governors are chosen from the members of those political parties that win the elections to the Seimas.  Usually, the county governor seats of the main counties, such as Vilnius County, are more valued by the political elite than those of the smaller ones.

Šumskas: Šumskas (Polish: "Szumsk or Szumsk Wileński" ) is a town in Vilnius district municipality, in Vilnius County, in southeast Lithuania.  According to the 2011 census, the town has a population of 919 people.

Rudamina (Vilnius): Rudamina is a village in Vilnius district municipality, Vilnius County, east Lithuania.  As of the 2001 census, the town had a population of 3937 people.  The village has a Catholic church.

Saugūniškės: Saugūniškės is a village in Vilnius district municipality, in Vilnius County, in eastern Lithuania.  According to the Lithuanian census of 2011, it has 8 inhabitants.

Vilnius County: Vilnius County (Lithuanian: "Vilniaus apskritis" ) is the largest of the 10 counties of Lithuania, located in the east of the country around the city Vilnius.  On 1 July 2010, the county administration was abolished, and since that date, Vilnius County remains as the territorial and statistical unit.

Skaidiškės: Skaidiškės is a village in Vilnius district municipality, Vilnius County, east Lithuania.  According to the Lithuanian census of 2011, the town has a population of 4,133 people.  It is the second largest village in Lithuania.

Steponas Kairys: Steponas Kairys (   ; December 20, 1878 Old Style/January 3, 1879 New Style in Užnevėžiai, near Ukmergė – December 16, 1964 in Brooklyn) was a Lithuanian engineer, nationalist, and social democrat.  He was among the 20 men to sign the Act of Independence of Lithuania on February 16, 1918.

Ukmergė: Ukmergė ( (Latin: "Vilkomiria" , Polish: "Wiłkomierz" , Russian: Вилькомир , Yiddish: ווילקאמיר‎ "Vilkomir") is a city in Vilnius County, Lithuania, located 78 km northwest of Vilnius, with a population of about 21,000 (2017).

Mickūnai: Mickūnai (Polish: "Mickuny" ) is a town in Vilnius district municipality, in Vilnius County, in southeast Lithuania.  According to the 2011 census, the town has a population of 1,389 people.

Supporting paragraphs: Steponas Kairys Ukmergė
Answer: Ukmergė