Q: Were there really POTATOES in Middle-earth? How is this possible?

Q: Are there any references to POTATOES in any of the lines Shakespeare wrote?

Q: How many lines in any novel or thriller are devoted to Coffee? A zeta-function based on the percentage of the total line sum of significantly sliding significators will definitely become an indicator in literary science this year. Or next year. Also interesting will be the correlation coefficient of foreign substances and/or body fluid?

Q: The German Question: Warum kann man in einem Restaurant kein Restaurationsbrot mehr bestellen?