The only examples they gave were how it should not be done.

It is the only example of its kind in Wyoming.

It is the only example of its kind to have been recovered.

For some time, people thought this was the only regular example.

They are the only examples of writing in this language ever found.

The one shown in the diagram might be the only example.

It is the only example known of its kind in Mexico.

And the only statistical example I give is about baseball.

This is not the only example of a city in Europe that has seen a population explosion.

That's the the only example I can recall off the top of my head.