Sentence examples for called upon from inspiring English sources

So will these tools need to be called upon again?

Waiting to be called upon again.

He certainly delivered when called upon, but was never called upon again.

They called upon him to resign.

Still, businessmen will rally when called upon.

(He was not called upon).

They had been called upon too often.

Now I am frequently called upon".

"I felt good to be called upon.

Kate McKinnon's Hillary Clinton was called upon for her reaction.

And who would be called upon to serve?