Adrian Tompkins was the ninth mayor of the town of Wolverhillington. Who was the ninth mayor of Wolverhillington?
The ninth mayor of the town of Wolverhillington was Adrian Tompkins.
"Adrian Tompkins was the ninth mayor of the town of Wolverhillington"
And later ask in inference,
"Who was the ninth mayor of Wolverhillington?",
It might not return the answer.