I can't really answer that but can say that the Super Bowl determines 'home team' status by the year. In odd numbered years the NFC is the home team; in even numbered years the AFC is the home team.
Click on the 'Super Bowl Winners' link on this page to see a list of who played in and won every Super Bowl.
The winners get the ring.
no
no
Chennai Super Kings
yes
$83000
There have been 45 Super Bowls, and accordingly, 45 Super Bowl winners.
cowboys
the Green Bay Packers
The Green Bay Packers
playoff winners