Conversation so far:
When was the last time Australia won ashes in England
Australia won back the ashes in England last in 1998–99.
what is the ashes series
The Ashes is a Test cricket series played between England and Australia.
what happens if there is a tie in the ashes
If the test series is drawn, the team that currently holds the Ashes retains the trophy.
who is the current trophy holder of The Ashes
The current trophy holder is Australia.

Question: who holds the most run
Self-contained rewrite: who holds the most run in the ashes