[['term', 'executive', 'first minister', 'deputy', 'parties'], ['term', 'executive', 'first minister', 'deputy', 'parties'], ['1998 - 2002', 'first', 'david trimble', 'seamus mallon', 'ulster unionist party (4 seats)'], ['1998 - 2002', 'first', 'david trimble', 'seamus mallon', 'social democratic and labour party (4 seats)'], ['1998 - 2002', 'first', 'david trimble', 'mark durkan', 'democratic unionist party (2 seats)'], ['1998 - 2002', 'first', 'david trimble', 'mark durkan', 'sinn féin (2 seats)'], ['2nd assembly ( mlas )', '2nd assembly ( mlas )', '2nd assembly ( mlas )', '2nd assembly ( mlas )', '2nd assembly ( mlas )'], ['2003 - 2007', 'suspended', 'vacant', 'vacant', 'none'], ['3rd assembly ( mlas )', '3rd assembly ( mlas )', '3rd assembly ( mlas )', '3rd assembly ( mlas )', '3rd assembly ( mlas )'], ['2007 - 2011', 'second', 'ian paisley', 'martin mcguinness', 'democratic unionist party (5 seats)'], ['2007 - 2011', 'second', 'ian paisley', 'martin mcguinness', 'sinn féin (4 seats)'], ['2007 - 2011', 'second', 'peter robinson', 'martin mcguinness', 'ulster unionist party (2 seats)'], ['2007 - 2011', 'second', 'peter robinson', 'martin mcguinness', 'social democratic and labour party (1 seat)'], ['2007 - 2011', 'second', 'peter robinson', 'martin mcguinness', 'alliance party of northern ireland (1 seat)'], ['4th assembly ( mlas )', '4th assembly ( mlas )', '4th assembly ( mlas )', '4th assembly ( mlas )', '4th assembly ( mlas )'], ['2011 -', 'third', 'peter robinson', 'martin mcguinness', 'democratic unionist party (5 seats)'], ['2011 -', 'third', 'peter robinson', 'martin mcguinness', 'sinn féin (4 seats)'], ['2011 -', 'third', 'peter robinson', 'martin mcguinness', 'ulster unionist party (1 seat)'], ['2011 -', 'third', 'peter robinson', 'martin mcguinness', 'social democratic and labour party (1 seat)'], ['2011 -', 'third', 'peter robinson', 'martin mcguinness', 'alliance party of northern ireland (2 seats)']]
Peter Robinson was the only First Minister to serve for Party for 2 Assembly period
[ENT] was the only [ENT] to serve for [ENT] for 2 [ENT] period