Going to tour page, it has fictive question and answer.
How this can be changed to some more practical examples?
There are currently no viable question candidates for the About page
If I am reading the database query correctly, the sample question must meet the following criteria before it can be selected:
This is a new site, so there are no eligible questions yet. I believe the system will pick a question as soon as it meets the criteria, but if not, the moderators will have a function to select one from your site just as soon as one becomes eligible.