O Allah, make me firm at the questioning (in the grave). — The Hereafter
اللَّهُمَّ ثَبِّتْنِي عِنْدَ السُّؤَالِ
Transliteration: Allaahumma thabbitnee 'indas-su'aal
Translation: O Allah, make me firm at the questioning (in the grave).
Reference: General supplication