Surah Al-A'raf 7:4

وَكَم مِّن قَرْيَةٍ أَهْلَكْنَـٰهَا فَجَآءَهَا بَأْسُنَا بَيَـٰتًا أَوْ هُمْ قَآئِلُونَ

And how many cities have We destroyed, and Our punishment came to them at night or while they were sleeping at noon.

Translation: Saheeh International

Tafsir

How many kam is predicative and is the direct object of the main verb ahlaknāhā ‘We have destroyed’ a city meaning its inhabitants have We destroyed have We willed its destruction! So Our might Our chastisement came upon it at night or while they slept at noon qā’ilūn al-qaylūla is a rest taken halfway during the day …

Excerpt from Tafsir al-Jalalayn, commentary on 7:4, via Quran.com. The reader has the full commentary and 9 more tafsirs.