Question: Ferdinand Essandja (sometimes Fernand Essendja or Ferdinand Esandja) was a Congolese politician and businessman, he participated in negotiations for the independence of which Belgian colony in Central Africa between 1908 and 1960 in what is now the Democratic Republic of the Congo (DRC)?
Sentence (from "Ferdinand Essandja"): By 1967 he was the vice president of company.
Relevant evidence: No