List of by-elections to the Wellington City Council
1986-present
Table:
Ward	Date	Incumbent	Cause	Winner

Otari	1987	Rosemary Young-Rouse	Resignation	Les Stephens

Karori	1987	Gavin Wilson	Resignation	Arthur Kinsella

Southern	1989	Neville Taylor	Resignation	Rodney Murphy

Southern	1991	John Blincoe	Elected MP for Nelson	Margaret Bonner

Onslow	1994	David Bull	Resignation	Judy Siers

Southern	1994	Merrin Downing	Resignation	Celia Wade-Brown

Southern	1996	John Gilberthorpe	Resignation	Bryan Pepperell

Northern	1997	Sally Baber	Resignation	Jack Ruben

Eastern	2000	Sue Kedgley	Elected as List MP	Ray Ahipene-Mercer

Southern	2017	Paul Eagle	Elected MP for Rongotai	Fleur Fitzsimons

From the tabular data covering 'List of by-elections to the Wellington City Council' — "1986-present" section, draft a brief sentence that explains what the highlighted cells show and provide it inside the JSON object {"answer": "YOUR ANSWER"}.