Table:
text: Menteri Besar of Johor
List of Menteris Besar of Johor
List of Menteris Besar of Johor
_ Menteri_Besar Took_office Left_office Party_
1 Jaafar Mohamed 1886 July 1890 No party
2 Mohamed Mahbob June 1920 1922 No party
3 Abdullah Jaafar September 1923 1928 No party
4 Mustapha Jaafar September 16, 1928 November 23, 1931 No party
5 Abdul Hamid Yusof November 23, 1931 December 28, 1934 No party
6 Ungku Abdul Aziz Abdul Majid April 1935 June 1, 1947 No party
7 Onn Jaafar June 1, 1947 May 18, 1950 No party
8 Syed Abdul Kadir Mohamed February 18, 1952 June 5, 1955 No party
9 Wan Idris Ibrahim October 1, 1955 August 31, 1957 No party

Question: How many Menteri Besars were there in Johor in the pre-independence period?