If some people are equally proficient in the recitation of the Quran (and religious knowledge), the oldest of them should lead As-Salat (the prayer)

Sahih al-Bukhari · Book 10 · Hadith 685

حَدَّثَنَا سُلَيْمَانُ بْنُ حَرْبٍ، قَالَ حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ، عَنْ أَيُّوبَ، عَنْ أَبِي قِلاَبَةَ، عَنْ مَالِكِ بْنِ الْحُوَيْرِثِ، قَالَ قَدِمْنَا عَلَى النَّبِيِّ صلى الله عليه وسلم وَنَحْنُ شَبَبَةٌ، فَلَبِثْنَا عِنْدَهُ نَحْوًا مِنْ عِشْرِينَ لَيْلَةً، وَكَانَ النَّبِيُّ صلى الله عليه وسلم رَحِيمًا فَقَالَ ‏"‏ لَوْ رَجَعْتُمْ إِلَى بِلاَدِكُ…

Narrated Malik bin Huwairith: We went to the Prophet (ﷺ) and we were all young men and stayed with him for about twenty nights. The Prophet (ﷺ) was very merciful. He said, "When you return home, impart religious teachin…