Question:
Who was the head of Kazakhstan in May, 2014?

Context:
 Alihan Smaiylov is the head of the government of Kazakhstan from Jan, 2022 to Dec, 2022. 
 Bakhytzhan Sagintayev is the head of the government of Kazakhstan from Sep, 2016 to Feb, 2019. 
 Karim Massimov is the head of the government of Kazakhstan from Apr, 2014 to Sep, 2016. 
 Askar Mamin is the head of the government of Kazakhstan from Feb, 2019 to Jan, 2022.

Answer:
Question:
Who was the head of Kazakhstan in May, 2014?

Context:
 Alihan Smaiylov is the head of the government of Kazakhstan from Jan, 2022 to Dec, 2022. 
 Bakhytzhan Sagintayev is the head of the government of Kazakhstan from Sep, 2016 to Feb, 2019. 
 Karim Massimov is the head of the government of Kazakhstan from Apr, 2014 to Sep, 2016. 
 Askar Mamin is the head of the government of Kazakhstan from Feb, 2019 to Jan, 2022.

Answer:
user
Karim Massimov
assistant
Question:
Who was the head of Kazakhstan in May, 2014?

Context:
 Alihan Smaiylov is the head of the government of Kazakhstan from Jan, 2022 to Dec, 2022. 
 Bakhytzhan Sagintayev is the head of the government of Kazakhstan from Sep, 2016 to Feb, 2019. 
 Karim Massimov is the head of the government of Kazakhstan from Apr, 2014 to Sep, 2016. 
 Askar Mamin is the head of the government of Kazakhstan from Feb, 2019 to Jan, 2022.

Answer:
user
Alihan Smaiylov
Askar Mamin
Bakhytzhan Sagintayev
assistant
Question:
Who was the head of Kazakhstan in May, 2014?

Context:
 Alihan Smaiylov is the head of the government of Kazakhstan from Jan, 2022 to Dec, 2022. 
 Bakhytzhan Sagintayev is the head of the government of Kazakhstan from Sep, 2016 to Feb, 2019. 
 Karim Massimov is the head of the government of Kazakhstan from Apr, 2014 to Sep, 2016. 
 Askar Mamin is the head of the government of Kazakhstan from Feb, 2019 to Jan, 2022.

Answer:
user
Karim Massimov
assistant