I Reis 18:4

4 While Jezebel was killing off the Lord's prophets, Obadiah had taken a hundred prophets and hidden them in two caves, fifty in each, and had supplied them with food and water.)

4 For when Jezebel was cutting off the prophets of the Lord, Obadiah took a hundred of them, and kept them secretly in a hole in the rock, fifty at a time, and gave them bread and water.)