Luke 9:40

40AndκαὶI beggedἐδεήθηνtheτῶνdisciplesμαθητῶνof Youσουthatἵναthey might cast outἐκβάλωσινitαὐτό,andκαὶnotοὐκthey were ableἠδυνήθησαν.

And I begged Your disciples that they might cast it out, and they were not able.”