Question:
Who was the head of Mexico in Jun, 2009?

Context:
 Felipe Calderón is the head of the government of Mexico from Dec, 2006 to Dec, 2012. 
 Enrique Peña Nieto is the head of the government of Mexico from Dec, 2012 to Dec, 2018. 
 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. 
 Ernesto Zedillo is the head of the government of Mexico from Jan, 1994 to Jan, 2000.

Answer:
Question:
Who was the head of Mexico in Jun, 2009?

Context:
 Felipe Calderón is the head of the government of Mexico from Dec, 2006 to Dec, 2012. 
 Enrique Peña Nieto is the head of the government of Mexico from Dec, 2012 to Dec, 2018. 
 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. 
 Ernesto Zedillo is the head of the government of Mexico from Jan, 1994 to Jan, 2000.

Answer:
user
Felipe Calderón
assistant
Question:
Who was the head of Mexico in Jun, 2009?

Context:
 Felipe Calderón is the head of the government of Mexico from Dec, 2006 to Dec, 2012. 
 Enrique Peña Nieto is the head of the government of Mexico from Dec, 2012 to Dec, 2018. 
 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. 
 Ernesto Zedillo is the head of the government of Mexico from Jan, 1994 to Jan, 2000.

Answer:
user
Enrique Peña Nieto
Vicente Fox Quesada
Ernesto Zedillo
Andrés Manuel López Obrador
assistant
Question:
Who was the head of Mexico in Jun, 2009?

Context:
 Felipe Calderón is the head of the government of Mexico from Dec, 2006 to Dec, 2012. 
 Enrique Peña Nieto is the head of the government of Mexico from Dec, 2012 to Dec, 2018. 
 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. 
 Ernesto Zedillo is the head of the government of Mexico from Jan, 1994 to Jan, 2000.

Answer:
user
Felipe Calderón
assistant