question: Paragraph 6 of Article 29 states that a referendum , in the event of a successful petition should be held within how many years ?
answer: three
turker_answer: Paragraph 6 of Article 29 states that a referendum , in the even of successful petition , should be held within three years .
rule-based: Paragraph 6 of Article 29 states that a referendum , in the event of a successful petition should be held within three .