Question: When was the dubai metro green line opened to public?
Disambiguated questions and answers: question: When were the first stations of the Dubai Metro green line opened to the public?
When were the last two stations of the Dubai Metro green line opened to the public?
answer: September 10, 2011
March 1, 2014
Natural Questions answer: September 2011 ( (from the Wikipedia article "Green Line (Dubai Metro)")