SABA' — Ayat 44

وَمَا آتَيْنَاهُم مِّن كُتُبٍ يَدْرُسُونَهَا وَمَا أَرْسَلْنَا إِلَيْهِمْ قَبْلَكَ مِن نَّذِيرٍ

And We had not given them any scriptures which they could study, and We had not sent to them before you, [O Muhammad], any warner.