Passage: Mohammad Morsi was removed from power during the 30 June Revolution. The timetable established by interim president Adly Mansour envisioned a rapid transition, which initially entailed amending the suspended 2012 constitution.The process of amending the 2012 constitution began with a committee of 10 legal experts. The draft amendments by the committee of 10 made many notable changes to the text of the 2012 constitution. The committee of 10 completed their work on 20 August 2013.The second phase of the process included amendments by a committee of 50; those 50 people were announced on 1 September 2013. Amr Moussa was chosen as the chairman of the committee of 50 on 8 September 2013. The draft constitution was given to President Mansour on 3 December 2013.

Question: How many were the committee that amended the 2012 constitution under Adly Mansour?
10