He said, "Rather, this - the largest of them - did it, so ask them, if they should [be able to] speak."
The Saheeh International Quran Translation
قَالَ بَلْ فَعَلَهُۥ كَبِيرُهُمْ هَٰذَا فَسْـَٔلُوهُمْ إِن كَانُوا۟ يَنطِقُونَHe said, "Rather, this - the largest of them - did it, so ask them, if they should [be able to] speak."