Question:
Who was the head of Mexico in Mar, 2016?

Context:
 Felipe Calderón is the head of the government of Mexico from Dec, 2006 to Dec, 2012. 
 Ernesto Zedillo is the head of the government of Mexico from Jan, 1994 to Jan, 2000. 
 Andrés Manuel López Obrador is the head of the government of Mexico from Dec, 2018 to Dec, 2022. 
 Vicente Fox Quesada is the head of the government of Mexico from Jan, 2000 to Jan, 2006. 
 Enrique Peña Nieto is the head of the government of Mexico from Dec, 2012 to Dec, 2018.

Answer:
Question:
Who was the head of Mexico in Mar, 2016?

Context:
 Felipe Calderón is the head of the government of Mexico from Dec, 2006 to Dec, 2012. 
 Ernesto Zedillo is the head of the government of Mexico from Jan, 1994 to Jan, 2000. 
 Andrés Manuel López Obrador is the head of the government of Mexico from Dec, 2018 to Dec, 2022. 
 Vicente Fox Quesada is the head of the government of Mexico from Jan, 2000 to Jan, 2006. 
 Enrique Peña Nieto is the head of the government of Mexico from Dec, 2012 to Dec, 2018.

Answer:
user
Enrique Peña Nieto
assistant
Question:
Who was the head of Mexico in Mar, 2016?

Context:
 Felipe Calderón is the head of the government of Mexico from Dec, 2006 to Dec, 2012. 
 Ernesto Zedillo is the head of the government of Mexico from Jan, 1994 to Jan, 2000. 
 Andrés Manuel López Obrador is the head of the government of Mexico from Dec, 2018 to Dec, 2022. 
 Vicente Fox Quesada is the head of the government of Mexico from Jan, 2000 to Jan, 2006. 
 Enrique Peña Nieto is the head of the government of Mexico from Dec, 2012 to Dec, 2018.

Answer:
user
Vicente Fox Quesada
Andrés Manuel López Obrador
Ernesto Zedillo
Felipe Calderón
assistant
Question:
Who was the head of Mexico in Mar, 2016?

Context:
 Felipe Calderón is the head of the government of Mexico from Dec, 2006 to Dec, 2012. 
 Ernesto Zedillo is the head of the government of Mexico from Jan, 1994 to Jan, 2000. 
 Andrés Manuel López Obrador is the head of the government of Mexico from Dec, 2018 to Dec, 2022. 
 Vicente Fox Quesada is the head of the government of Mexico from Jan, 2000 to Jan, 2006. 
 Enrique Peña Nieto is the head of the government of Mexico from Dec, 2012 to Dec, 2018.

Answer:
user
Enrique Peña Nieto
assistant