List of leaders of South Yemen
Heads of State
Table:
№	Portrait	Name (Birth–Death)	Term start	Term end	Political Party	Notes

President of the People's Republic of South Yemen

1	-	Qahtan Muhammad al-Shaabi قحطان محمد الشعبي (1920–1981)	30 November 1967	22 June 1969	National Liberation Front

Chairmen of the Presidential Council

2	Salim Rubayya Ali (cropped).JPG	Salim Rubai Ali سالم ربيع علي "سالمين (1935–1978)	23 June 1969	26 June 1978	National Liberation Front

3	-	Ali Nasir Muhammad علي ناصر محمد الحسني (1939–)	26 June 1978	21 December 1978	National Liberation Front

(3)	21 December 1978	27 December 1978	Yemeni Socialist Party

Chairmen of the Presidium of the Supreme People's Council

4	-	Abdul Fattah Ismail عبد الفتاح إسماعيل علي الجوفي (1939–1986)	27 December 1978	21 April 1980	Yemeni Socialist Party

(3)	-	Ali Nasir Muhammad علي ناصر محمد الحسني (1939–)	21 April 1980	24 January 1986	Yemeni Socialist Party

5	-	Haidar Abu Bakr al-Attas حيدر أبو بكر العطاس (1939–)	24 January 1986	22 May 1990	Yemeni Socialist Party

Yemen Unification (22 May 1990 – 21 May 1994)

President of the Democratic Republic of Yemen

6	-	Ali Salem al Beidh علي سالم البيض (1939–) (in rebellion.)	21 May 1994	7 July 1994	Yemeni Socialist Party

Yemen Reunification (7 July 1994 – 11 May 2017)

President of the Southern Transitional Council

-	Aidarus al-Zoubaidi عيدروس الزُبيدي (1967–) (in rebellion.)	11 May 2017	Incumbent	Southern Movement

Considering the tabular data covering 'List of leaders of South Yemen' — "Heads of State" section, write a one-sentence description of the highlighted cells and provide it inside the JSON object {"answer": "YOUR ANSWER"}.