John 9:15
So, the Pharisees also asked him again how his sight was restored. He said to them, "He put mud on my eyes; I washed [myself], and [now] I can see."
John 9:10-11
So, they said to him, "How was your sight restored, then?"
John 9:26-27
The Pharisees said to him, "What did he do to you? How did he restore your sight?"