National Premier Leagues
Federation Finalists by season
Table:
Season
ACT
New South Wales
Northern NSW
Queensland
South Australia
Tasmania
Victoria
Western Australia

2013

Canberra

Sydney United 58

— 1

Olympic

Campbelltown City 2

South Hobart

— 1

— 1

2014

Cooma

Bonnyrigg White Eagles

Weston Workers 3

Palm Beach

North Eastern MetroStars

South Hobart

South Melbourne

Bayswater City

2015

Canberra

Blacktown City

Edgeworth

Moreton Bay United

West Adelaide

Olympia Warriors

South Melbourne

Bayswater City

2016

Canberra Olympic

Sydney United 58

Edgeworth

Brisbane Strikers

Adelaide City

Devonport City

Bentleigh Greens

Perth

2017

Canberra Olympic

APIA Leichhardt Tigers

Edgeworth

Brisbane Strikers

Adelaide City

South Hobart

Heidelberg United

Bayswater City

2018

Canberra

Sydney Olympic

Edgeworth

Lions FC

Campbelltown City

Devonport City

Heidelberg United

Perth

Observing the table information on 'National Premier Leagues' — "Federation Finalists by season" section, formulate a single-sentence overview of the highlighted cells and provide it inside the JSON object {"answer": "YOUR ANSWER"}.