Table:
text: Nick Watney
PGA Tour wins (5)
PGA Tour wins (5)
Date_ Tournament Winning_score To_par Margin_of_victory Runner_up
Apr 22, 2007 Zurich Classic of New Orleans 69-67-68-69=273 −15 3 strokes Ken Duke
Feb 8, 2009 Buick Invitational 69-69-71-68=277 −11 1 stroke John Rollins
Mar 13, 2011 WGC-Cadillac Championship 67-70-68-67=272 −16 2 strokes Dustin Johnson
Jul 3, 2011 AT&T National 70-69-62-66=267 −13 2 strokes K. J. Choi
Aug 26, 2012 The Barclays 65-69-71-69=274 −10 3 strokes Brandt Snedeker

Question: On what date of the PGA Tour victories of the Nick Watney tournament does 5 have a 2 shot lead and a par of −16?

Question: Who was runner-up in the tournament by a 2-shot margin and −16 to par among Nick Watney's PGA Tour wins 5?

Question: What was the tournament wins (5) average in which Ken Duke finished second to Nick Watney?

Question: What was the winning margin when Brandt Snedeker finished second to Nick Watney in PGA Tour wins (5)?