Al-Baqarah 2:68

قَالُواْ ٱدۡعُ لَنَا رَبَّكَ يُبَيِّن لَّنَا مَا هِيَۚ قَالَ إِنَّهُۥ يَقُولُ إِنَّهَا بَقَرَةࣱ لَّا فَارِضࣱ وَلَا بِكۡرٌ عَوَانُۢ بَيۡنَ ذَٰلِكَۖ فَٱفۡعَلُواْ مَا تُؤۡمَرُونَ۝٦٨

68. They said, "Call upon your Lord to make clear to us what it is." [Moses] said, "[Allah] says, 'It is a cow which is neither old nor virgin, but median between that,' so do what you are commanded