John 6:30
So they asked Him, “What sign then will You perform, so that we may see it and believe You? What will You do?
Berean Standard Bible
They said therefore unto him, What sign shewest thou then, that we may see, and believe thee? what dost thou work?
They said therefore to him, “What then do you do for a sign, that we may see and believe you? What work do you do?