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(s)-up |
| --- | --- | --- | --- | --- |
| Apr 29, 1984 | Houston Coca-Cola Open | –10 (70-68-68-68=274) | 1 stroke | Buddy Gardner |
| May 19, 1985 | Colonial National Invitation | –14 (66-64-68-68=266) | 4 strokes | Bob Murphy |
| Feb 16, 1986 | Hawaiian Open | –16 (67-67-72-66=272) | 2 strokes | Paul Azinger |
| Sep 21, 1986 | Greater Milwaukee Open | –17 (66-72-67-67=272) | Playoff | Dave Barr |
| Jan 18, 1987 | Bob Hope Chrysler Classic | –19 (72-71-65-66-67=341) | 1 stroke | Bernhard Langer |
| Feb 8, 1987 | Hawaiian Open | –18 (65-75-66-64=270) | Playoff | Craig Stadler |
| Oct 16, 1988 | Texas Open | –21 (64-63-66-66=259) | 8 strokes | Robert Wrenn |
| Feb 10, 1991 | Bob Hope Chrysler Classic | –29 (65-69-66-66-65=331) | Playoff | Mark O'Meara |
| May 12, 1991 | BellSouth Atlanta Golf Classic | –16 (68-67-67-70=272) | Playoff | Steve Pate |
| Mar 15, 1992 | Honda Classic | –15 (68-67-70-68=273) | Playoff | Fred Couples |
| Feb 13, 1994 | Nissan Los Angeles Open | –13 (67-64-72-68=271) | 2 strokes | Fred Couples |
| Feb 26, 1995 | Nissan Open | –16 (67-66-68-67=268) | 3 strokes | Jay Don Blake , Kenny Perry |
| Jun 18, 1995 | U.S. Open | E (72-69-71-68=280) | 2 strokes | Greg Norman |
| May 19, 1996 | MasterCard Colonial | –8 (69-67-67-69=272) | 2 strokes | Jeff Sluman |
| Jul 30, 2006 | U.S. Bank Championship in Milwaukee | –20 (61-64-68-67=260) | 2 strokes | Jerry Kelly |
Question:
Which Margin of victory has a Runner(s)-up of dave barr?
Answer:
Playoff