Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Passage: In June 2005, presidential elections were held for the first time since the coup that deposed Iala. Iala returned as the candidate for the PRS, claiming to be the legitimate president of the country, but the election was won by former president Joao Bernardo Vieira, deposed in the 1999 coup. Vieira beat Malam Bacai Sanha in a runoff election. Sanha initially refused to concede, claiming that tampering and electoral fraud occurred in two constituencies including the capital, Bissau. Question: At that time, who ran claiming to be the legitimate president of the country?
Student:
Iala