Question: How many years in office did the councillors elected from a town 20 km south of Dublin City serve?

Context paragraphs:
Neyyattinkara: Neyyattinkara in Thiruvananthapuram district is a municipal Town 20 km south of the kerala State capital Trivandrum on the National Highway 66 to Kanyakumari.  The town spreads over an area of 16.21 km on the banks of the Neyyar River and is the headquarters of the Neyyattinkara taluk and the Neyyattinkara Revenue Division.  It is a suburb of the extended metropolitan region of Thiruvananthapuram city.  The name 'Neyyattinkara' in Malayalam regional language means shore (kara) of Neyyar River.  This river flows from Agasthyarkoodam, the highest peak (1868m above MSL) in southern end of the Western Ghats.

Mayors in New Zealand: Mayors in New Zealand are the highest-ranking officer in a municipal government in New Zealand.  Mayors are now elected at large, i.e. the role is contested by public vote across a whole district or city.  Historically, city or town councillors elected one of their own as mayor, or chairman.  Mayors are elected during the triennial local body elections.

Gloucester City Council: Gloucester City Council is the local authority for Gloucester, which is split into 18 wards, with a total of 39 councillors elected to serve on the City Council.  Following the last election in 2016 there were 22 Conservative Councillors, 10 Labour Councilors, and 7 Liberal Democrat councillors.

Cheltenham Borough Council: Cheltenham Borough Council is the local authority for Cheltenham, which is split into 20 wards, with a total of 40 councillors elected to serve on the borough council.  Since 2002 elections have been held every two years with half of the councillors elected at each election.  Following the last election in 2016 there were 29 Liberal Democrat members, 7 Conservatives, 3 representing the People Against Bureaucracy group, and 1 Independent councillor.

Bray: Bray (Irish: "Bré" , meaning "hill" , formerly "Brí Chualann") is a coastal town in north County Wicklow, Ireland.  It is situated about 20 km south of Dublin city centre on the east coast.  It has a population of 32,600 making it the ninth largest urban area in all of Ireland and the ninth largest urban area within the Republic of Ireland (at the 2016 census).

Sandbach Town Council: Sandbach Town Council is a town council for the Cheshire Market Town of Sandbach.  It which was established in 1974 as a successor council to the Sandbach Urban District Council.  It comprises 20 councillors elected every four years.  Meetings are held at the Sandbach Literary Institute.

Overstrand Local Municipality elections: The council of the Overstrand Local Municipality in the Western Cape, South Africa is elected every five years by a system of mixed-member proportional representation.  Half of the councillors are elected by first-past-the-post voting from individual wards, while the other half are appointed from party lists so that the total number of party representatives is proportional to the number of votes received.  By-elections are held to replace the councillors elected by wards if a vacancy occurs.

Wicklow County Council election, 2014: An election to Wicklow County Council took place on 23 May 2014 as part of that year's Irish local elections.  32 councillors were elected from five electoral divisions (Arklow, Baltinglass, Bray, Greystones and Wicklow) by PR-STV voting for a five-year term of office, an increase of 8 seats from the previous election in 2009.  In addition Arklow Town Council, Bray Town Council, Greystones Town Council and Wicklow Town Council were all abolished, as per the Local Government Reform Act 2014.

City of Cape Town elections: The council of the City of Cape Town in the Western Cape, South Africa is elected every five years by a system of mixed-member proportional representation.  Half of the councillors are elected by first-past-the-post voting from individual wards, while the other half are appointed from party lists so that the total number of party representatives is proportional to the number of votes received.  By-elections are held to replace the councillors elected by wards if a vacancy occurs.

Vancouver City Council: Vancouver City Council is the governing body of the City of Vancouver, British Columbia, Canada.  The council consists of the mayor plus ten councillors elected to serve a three-year term, now four-year term starting in 2014.  Monthly, a deputy mayor is appointed from among the councillors.

Supporting paragraphs: Wicklow County Council election, 2014 Bray
Answer: five-year