Task: Translation
Input (English): The president of Niger , Tandja Mamadou , has been captured and imprisoned by a group of Nigerien soldiers under the name of `` Supreme Council for the Restoration of Democracy '' after an attack on the presidential palace late Thursday .
Output (English): The president of Niger, Tandja Mamadou, has been captured and imprisoned by a group of Nigerien soldiers under the name of "Supreme Council for the Restoration of Democracy" after an attack on the presidential palace late Thursday.