Question:
Who was the head of Uruguay in Oct, 2021?

Context:
 Luis Lacalle Pou is the head of the government of Uruguay from Mar, 2020 to Dec, 2022. 
 Tabaré Vázquez is the head of the government of Uruguay from Mar, 2005 to Mar, 2010. 
 José Mujica is the head of the government of Uruguay from Mar, 2010 to Mar, 2015.

Answer:
Luis Lacalle Pou