. "2011 presidential elections." . . "2011 Nigerian presidential election#Post-election violence" . "Nigerian presidential candidate" . "2011 Nigerien presidential election" . "election campaign" . "2011 Nigerian general election" . "2011 presidential election primaries" . . "2011 Nigerian presidential election" . . "general election in 2011" . "2011 Nigerian Presidential Election" . "April 2011 elections" . "2011" . "2011-04-16" . "2011 Nigerian presidential election" . . . . . . . "President" . . "2011 election" . . . . . "2011 presidential election" . "2011 ACN presidential nominee" . "2011 Nigerian presidential election" .