How do you find out how many times be the Elite Four in Pokemon Diamond?

To find out how many times you have beaten the Elite Four in Pokemon Diamond, follow these steps:

1. Start the game and load your save file.

2. Press the "Start" button to open the menu.

3. Select the "Status" option.

4. On the "Status" screen, look at the "Times Beaten" section. This will display how many times you have beaten the Elite Four.