Surah Adh-Dhariyat, Verse 36

فَمَا وَجَدۡنَا فِيهَا غَيۡرَ بَيۡتٖ مِّنَ ٱلۡمُسۡلِمِينَ٣٦

famā wajadnā fīhā ghayra baytin mina l-mus'limīna

And We found not within them other than a [single] house of Muslims.