Kini iye ibo to wa larin Muhammadu Buhari  ati Goodluck Jonathan ni orilẹ-ede Naijira ni ọdun 2015?
['Ju mílíọ́ọ̀nù 2.5 lọ']
What was the difference between the votes for Muhammadu Buhari and for Goodluck Jonathan in 2015?
['more than 2.5 million']