Who was the first overall pick in the 2006 NFL Draft?

From which college was Eli Manning, the No. 1 overall pick in 2004, drafted? Who was the first overall pick in the 2005 NFL Draft? Which team selected Alex Smith with the first overall pick in 2005? From which college was Alex Smith, the No. 1 overall pick in 2005, drafted? Which team selected Mario Williams with the first overall pick in 2006? From which college was Mario Williams, the No. 1 overall pick in 2006, drafted? Who was the first overall pick in the 2007 NFL Draft? Which team selected JaMarcus Russell with the first overall pick in 2007?