34:29

Saba 34:29

وَيَقُولُونَ مَتَىٰ هَٰذَا ٱلْوَعْدُ إِن كُنتُمْ صَٰدِقِينَ

Wa yaqooloona mataa haazal wa'du in kuntum saadiqeen

They say: "When will this promise (come to pass) if ye are telling the truth?"