Surah Luqman 31:25

وَلَئِن سَأَلْتَهُم مَّنْ خَلَقَ ٱلسَّمَـٰوَٰتِ وَٱلْأَرْضَ لَيَقُولُنَّ ٱللَّهُ ۚ قُلِ ٱلْحَمْدُ لِلَّهِ ۚ بَلْ أَكْثَرُهُمْ لَا يَعْلَمُونَ

And if you asked them, "Who created the heavens and earth?" they would surely say, "Allāh." Say, "[All] praise is [due] to Allāh"; but most of them do not know.

Translation: Saheeh International

Tafsir

And if wa-la-in the lām is for oaths you were to ask them ‘Who created the heavens and the earth?’ they will surely say ‘God’ la-yaqūlunna ‘they will surely say’ the indicative nūn has been omitted because of the like sc. …

Excerpt from Tafsir al-Jalalayn, commentary on 31:25, via Quran.com. The reader has the full commentary and 9 more tafsirs.