John 9:36

And He answered, and said, "And Who is He, Lord, that I may believe on Him?"

Romans 10:14

How, then, shall they call on Him in Whom they believed not? and how shall they believe on Him of Whom they heard not? and how shall they hear without a preacher?

Matthew 11:3

said to Him, "Art Thou the Coming One, or are we to look for another?"

John 1:38

And Jesus, turning and beholding them following, saith to them, "What are ye seeking?" They said to Him, "Rabbi," (which, being translated, means Teacher), "where abidest Thou?"

Treasury of Scripture Knowledge

Summary

He answered and said, Who is he, Lord, that I might believe on him?

Bible References

Who

John 1:38
And Jesus, turning and beholding them following, saith to them, "What are ye seeking?" They said to Him, "Rabbi," (which, being translated, means Teacher), "where abidest Thou?"
Matthew 11:3
said to Him, "Art Thou the Coming One, or are we to look for another?"