3 1 5 ▁votes ▁in ▁favour ▁to ▁ 1 3 8 ▁against . ▁ ▁Y ı ld ı r ı m ▁is ▁the ▁first ▁Prime ▁Minister ▁in ▁ 2 0 ▁years ▁to ▁come ▁from ▁an ▁engineering ▁background . ▁The ▁previous ▁Prime ▁Minister ▁to ▁have ▁origin ated ▁from ▁a ▁background ▁in ▁engineering ▁was ▁N ec m ett in ▁Er b ak an , ▁who ▁served ▁as ▁Prime ▁Minister ▁from ▁ 1 9 9 6 ▁to ▁ 1 9 9 7 . ▁ ▁Res ignation ▁of ▁Ah met ▁Dav uto ğ lu ▁ ▁On ▁ 5 ▁May ▁ 2 0 1 6 , ▁Prime ▁Minister ▁Ah met ▁Dav uto ğ lu ▁announced ▁that ▁he ▁would ▁be ▁ste pping ▁down ▁as ▁A K P ▁leader ▁and ▁would ▁not ▁stand ▁as ▁a ▁candidate ▁in ▁the ▁subsequent ▁party ▁leadership ▁election . ▁The ▁announ cement ▁came ▁after ▁several ▁days ▁of ▁spec ulation ▁that ▁relations ▁between ▁Dav uto ğ lu ▁and ▁Er do ğ an ▁had ▁decl ined ▁significantly ▁over ▁the ▁latter ' s ▁ins istence ▁of ▁an ▁executive ▁presiden cy ▁system ▁of ▁government ▁that ▁would ▁have ▁seen ▁Dav uto ğ lu ' s ▁office ▁effectively ▁abol ished . ▁In ▁April ▁ 2 0 1 6 , ▁a ▁Word Press ▁blog ▁named ▁the ▁Pel ican ▁files ▁were ▁released ▁by ▁un named ▁supp or ters ▁of ▁Er do ğ an , ▁detail ing ▁ 2 7 ▁different ▁points ▁of ▁disag re ement ▁between ▁the ▁two ▁men . ▁These ▁included ▁Dav uto ğ lu ' s ▁domestic ▁and ▁foreign ▁policies , ▁disag