The evidence for those who say that “the middle prayer” is the `Asr prayer
وَحَدَّثَنَا مُحَمَّدُ بْنُ الْمُثَنَّى، حَدَّثَنَا ابْنُ أَبِي عَدِيٍّ، عَنْ سَعِيدٍ، عَنْ قَتَادَةَ، بِهَذَا الإِسْنَادِ وَقَالَ " بُيُوتَهُمْ وَقُبُورَهُمْ " . وَلَمْ يَشُكَّ .
This hadith has heed narrated by Qatada with the same chain of transmitters. And he said: Their houses and their graves (be filled with fire), and did not express doubt over the words," houses" and" graves".