Question:
Who was the head of Mauritania in Oct, 2014?

Context:
 Ismail Ould Bedde Ould Cheikh Sidiya is the head of the government of Mauritania from Aug, 2019 to Aug, 2020. 
 Yahya Ould Hademine is the head of the government of Mauritania from Aug, 2014 to Oct, 2018. 
 Mohamed Ould Bilal is the head of the government of Mauritania from Aug, 2020 to Dec, 2022. 
 Mohamed Salem Ould Béchir is the head of the government of Mauritania from Oct, 2018 to Aug, 2019.

Answer:
Question:
Who was the head of Mauritania in Oct, 2014?

Context:
 Ismail Ould Bedde Ould Cheikh Sidiya is the head of the government of Mauritania from Aug, 2019 to Aug, 2020. 
 Yahya Ould Hademine is the head of the government of Mauritania from Aug, 2014 to Oct, 2018. 
 Mohamed Ould Bilal is the head of the government of Mauritania from Aug, 2020 to Dec, 2022. 
 Mohamed Salem Ould Béchir is the head of the government of Mauritania from Oct, 2018 to Aug, 2019.

Answer:
user
Yahya Ould Hademine
assistant
Question:
Who was the head of Mauritania in Oct, 2014?

Context:
 Ismail Ould Bedde Ould Cheikh Sidiya is the head of the government of Mauritania from Aug, 2019 to Aug, 2020. 
 Yahya Ould Hademine is the head of the government of Mauritania from Aug, 2014 to Oct, 2018. 
 Mohamed Ould Bilal is the head of the government of Mauritania from Aug, 2020 to Dec, 2022. 
 Mohamed Salem Ould Béchir is the head of the government of Mauritania from Oct, 2018 to Aug, 2019.

Answer:
user
Mohamed Ould Bilal
Mohamed Salem Ould Béchir
Ismail Ould Bedde Ould Cheikh Sidiya
assistant
Question:
Who was the head of Mauritania in Oct, 2014?

Context:
 Ismail Ould Bedde Ould Cheikh Sidiya is the head of the government of Mauritania from Aug, 2019 to Aug, 2020. 
 Yahya Ould Hademine is the head of the government of Mauritania from Aug, 2014 to Oct, 2018. 
 Mohamed Ould Bilal is the head of the government of Mauritania from Aug, 2020 to Dec, 2022. 
 Mohamed Salem Ould Béchir is the head of the government of Mauritania from Oct, 2018 to Aug, 2019.

Answer:
user
Yahya Ould Hademine
assistant