context: The Republic of Gabon, since winning independence from France on August 17, 1960, is headed by three President, Léon M'ba, El Hadj Omar Bongo who has been the leader from 1967 until his death (2009: the former a leader in Africa who held the leadership for the longest time), and then his son Ali.
question: What is the first president of Gabon?
answers.text: Léon M'ba