Question: The 1969 Libyan coup d'etat was led by a Libyan revolutionary, politician, ad political theorist who governed Libya as Revolutionary Chairman from 1969 to what year?
Sentence (from "National Transitional Council"): The National Transitional Council of Libya (Arabic: المجلس الوطني الإنتقالي‎ ‎ "al-majlis al-waṭanī al-intiqālī " ), sometimes known as the Transitional National Council, was the "de facto" government of Libya for a period during and after the Libyan Civil War, in which rebel forces overthrew the Libyan Arab Jamahiriya of Muammar Gaddafi.
Relevant evidence: No