Question: What kind of operation was proposed and set up by the Venezuelan President who served as the President of Venezuela from 1999 to 2013?
Sentence (from "Hugo Chávez"): Chávez was also leader of the Fifth Republic Movement political party from its foundation in 1997 until 2007, when it merged with several other parties to form the United Socialist Party of Venezuela (PSUV), which he led until 2012.
Relevant evidence: No