Question:
Who was the head of Greenland in Apr, 2010?

Context:
 Kuupik Kleist is the head of the government of Greenland from Jun, 2009 to Apr, 2013. 
 Hans Enoksen is the head of the government of Greenland from Dec, 2002 to Jun, 2009. 
 Kim Kielsen is the head of the government of Greenland from Dec, 2014 to Dec, 2022. 
 Jonathan Motzfeldt is the head of the government of Greenland from Sep, 1997 to Dec, 2002. 
 Aleqa Hammond is the head of the government of Greenland from Apr, 2013 to Sep, 2014. 
 Lars-Emil Johansen is the head of the government of Greenland from Mar, 1991 to Sep, 1997. 
 Múte Bourup Egede is the head of the government of Greenland from Apr, 2021 to Dec, 2022.

Answer:
Kuupik Kleist