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:
| No. | Date | Tournament | Winning score | To par | Margin of victory | Runner(s)-up |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | 5 May 2002 | Compaq Classic of New Orleans | 68-65-71-67=271 | −17 | 4 strokes | Dudley Hart , Geoff Ogilvy |
| 2.0 | 22 Sep 2002 | Tampa Bay Classic | 63-68-68-68=267 | −17 | 7 strokes | Glen Day |
| 3.0 | 2 Oct 2005 | Chrysler Classic of Greensboro | 64-69-67-66=266 | −22 | 2 strokes | Shigeki Maruyama |
| 4.0 | 29 Oct 2006 | Chrysler Championship | 68-66-70-67=271 | −13 | 4 strokes | Paul Goydos , Brett Wetterich |
| 5.0 | 3 Jun 2007 | Memorial Tournament | 69-70-67-65=271 | −17 | 1 stroke | Ryan Moore |
| 6.0 | 8 Jul 2007 | AT&T National | 66-67-70-68=271 | −9 | 3 strokes | Steve Stricker |
| 7.0 | 13 Jan 2008 | Sony Open in Hawaii | 64-65-66-71=266 | −14 | 3 strokes | Rory Sabbatini |
Question:
What was the margin of victory with the winning score "63-68-68-68=267"?
Answer:
7 strokes