Has an AFL game ever ended 156-97?
Exactly once. On August 4, 1991, Fitzroy beat Richmond 156-97, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 156-97 in league history.
That makes 156-97 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 157-97 has happened 1 times and 156-98 has happened never.