Definition: This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.
Input: Passage: He was killed on 2 March 2009, possibly by soldiers in retaliation for the assassination of General Batista Tagme Na Waie, the head of the joint chiefs of staff, killed in an explosion. Vieira's death did not trigger widespread violence, but there were signs of turmoil in the country, according to the advocacy group Swisspeace. Malam Bacai Sanha was elected after a transition. In the 2009 election to replace the assassinated Vieira, Sanha was the presidential candidate of the PAIGC while Kumba Iala was the presidential candidate of the PRS. Question: In the 2009 election, who was the candidate of the PRS?
Output:
Kumba Iala