Surah Al-Baqarah 2:211

سَلْ بَنِىٓ إِسْرَٰٓءِيلَ كَمْ ءَاتَيْنَـٰهُم مِّنْ ءَايَةٍۭ بَيِّنَةٍ ۗ وَمَن يُبَدِّلْ نِعْمَةَ ٱللَّهِ مِنۢ بَعْدِ مَا جَآءَتْهُ فَإِنَّ ٱللَّهَ شَدِيدُ ٱلْعِقَابِ

Ask the Children of Israel how many a sign of evidence We have given them. And whoever exchanges the favor of Allāh [for disbelief] after it has come to him - then indeed, Allāh is severe in penalty.

Translation: Saheeh International

Tafsir

Ask O Muhammad (s) the Children of Israel by way of rebuke how many a clear proof manifest ones such as the parting of the sea and the sending down of manna and quails which they exchanged for unbelief did We give them kam ‘how many’ is the interrogative particle linking the second object of the verb sal ‘ask’ and is …

Excerpt from Tafsir al-Jalalayn, commentary on 2:211, via Quran.com. The reader has the full commentary and 9 more tafsirs.