Brazil-Germany
It is Brazil.
Brazil and Germany have each made it to the World Cup championship match 7 times.
In which country/State and/or which club and which match (final/semifinal/...)
Australia
Every World Cup had a final match.
Final match of what? Please reask your question specifying what sport/event.
Sachin Tendulkar was the man of the match in India Pakistan semi final match 2011.
Currently, the country that has won every match it has played is the Netherlands at 6 wins for 6 games. This may change after the final match that takes place on July 11.
O'Leary played 570 games in total for Arsenal and Leeds. In addition he was capped 68 times by Ireland. The total record for club appearances in England is 1,005 (held by Peter Shilton). So O'Leary is way short of that record.
MS Dhoni was the man of the match in final match.He played winning six at the end.
David Boon of Australia won the Man of the Match award in the 1987 Cricket World Cup final match. He scored 75 runs in the final match.