Genesis 18:26

The LORD said, 'If I find fifty righteous people in the city of Sodom, I will spare the whole place for their sake.'

(New International Version)

So the LORD said, 'If I find in Sodom fifty righteous within the city, then I will spare the whole place on their account.'

(New American Standard Bible)

And the LORD said, If I find in Sodom fifty righteous within the city, then I will spare all the place for their sakes.

(King James Version)