Conversation so far:
what is the best part of Anthony McPartlin's personal life?
McPartlin married his longtime girlfriend and make-up artist Lisa Armstrong at Cliveden.
was this marriage successful?
The pair remained married for 11 years, before eventually announcing their divorce on 15 January 2018.
what was the highlight of these eleven years of marriage?
CANNOTANSWER.
any interesting information about his personal life?
McPartlin was mainly a Labour Party supporter until the 2010 election.
what happened after that?
he voted for the Conservatives.
why did he stay with the labor party for so long?
CANNOTANSWER.
what is an interesting aspect of his persona; life?
In 2015, McPartlin went into hospital for an operation to treat his knee.

Question: what was the outcome of this?
Self-contained rewrite: What was the outcome of Anthony McPartlin's knee surgery?