Question:
Who was the head of Somalia in Sep, 2020?

Context:
 Hassan Ali Khayre is the head of the government of Somalia from Mar, 2017 to Jul, 2020. 
 Mohamed Hussein Roble is the head of the government of Somalia from Sep, 2020 to Dec, 2022. 
 Mahdi Mohammed Gulaid is the head of the government of Somalia from Jul, 2020 to Sep, 2020.

Answer:
Question:
Who was the head of Somalia in Sep, 2020?

Context:
 Hassan Ali Khayre is the head of the government of Somalia from Mar, 2017 to Jul, 2020. 
 Mohamed Hussein Roble is the head of the government of Somalia from Sep, 2020 to Dec, 2022. 
 Mahdi Mohammed Gulaid is the head of the government of Somalia from Jul, 2020 to Sep, 2020.

Answer:
user
Mahdi Mohammed Gulaid
assistant
Question:
Who was the head of Somalia in Sep, 2020?

Context:
 Hassan Ali Khayre is the head of the government of Somalia from Mar, 2017 to Jul, 2020. 
 Mohamed Hussein Roble is the head of the government of Somalia from Sep, 2020 to Dec, 2022. 
 Mahdi Mohammed Gulaid is the head of the government of Somalia from Jul, 2020 to Sep, 2020.

Answer:
user
Hassan Ali Khayre
Mohamed Hussein Roble
Hassan Ali Khayre
assistant
Question:
Who was the head of Somalia in Sep, 2020?

Context:
 Hassan Ali Khayre is the head of the government of Somalia from Mar, 2017 to Jul, 2020. 
 Mohamed Hussein Roble is the head of the government of Somalia from Sep, 2020 to Dec, 2022. 
 Mahdi Mohammed Gulaid is the head of the government of Somalia from Jul, 2020 to Sep, 2020.

Answer:
user
Mahdi Mohammed Gulaid
assistant