Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | Tournament | Winning score | Margin of victory | Runner-up |
| --- | --- | --- | --- | --- |
| Jun 24, 2007 | Travelers Championship | −15 (62-71-67-65=265) | Playoff | Jay Williamson |
| Feb 28, 2010 | Waste Management Phoenix Open | −16 (68-70-65-65=268) | 1 stroke | Rickie Fowler |
| Aug 8, 2010 | WGC-Bridgestone Invitational | −12 (71-67-66-64=268) | 2 strokes | Ryan Palmer |
| Feb 26, 2012 | WGC-Accenture Match Play Championship | 2 and 1 | 2 and 1 | Rory McIlroy |
| Apr 1, 2012 | Shell Houston Open | −16 (69-67-65-71=272) | 1 stroke | Carl Pettersson |
Question:
what is the margin of victory for the waste management phoenix open tournament?
Answer:
1 stroke