(An-Naml) 27 : 76
إِنَّ هَٰذَا الْقُرْآنَ يَقُصُّ عَلَىٰ بَنِي إِسْرَائِيلَ أَكْثَرَ الَّذِي هُمْ فِيهِ يَخْتَلِفُونَ
“Indeed, this Reading explains to the Children of Israel most of the matters what they are disagreeing about”.
Not Arabic Quran, but Adhikr is revealed upon 313 Messengers from first Messenger Noah to Last Messenger Muhammad as explained in verses 21: 24-25. Adhikr is revealed to judge in whatever matter mankind differs about as explained in verse 2: 113. See explanation 16: 64 and 124.