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 | To par | Margin of victory |
| --- | --- | --- | --- | --- |
| Sep 16, 1984 | Greater Milwaukee Open | 67-68-69-68=272 | –16 | 5 strokes |
| Feb 3, 1985 | Bing Crosby National Pro-Am | 70-72-68-73=283 | –5 | 1 stroke |
| Feb 10, 1985 | Hawaiian Open | 67-66-65-69=267 | –21 | 1 stroke |
| Jan 29, 1989 | AT&T Pebble Beach National Pro-Am | 66-68-73-70=277 | –11 | 1 stroke |
| Feb 4, 1990 | AT&T Pebble Beach National Pro-Am | 67-73-69-72=281 | –7 | 2 strokes |
| Oct 7, 1990 | H.E.B. Texas Open | 64-68-66-63=261 | –19 | 1 stroke |
| Oct 16, 1991 | Walt Disney World/Oldsmobile Classic | 66-66-71-64=267 | –21 | 1 stroke |
| Feb 2, 1992 | AT&T Pebble Beach National Pro-Am | 69-68-68-70=275 | –13 | Playoff |
| Mar 12, 1995 | Honda Classic | 68-65-71-71=275 | –9 | 1 stroke |
| Sep 10, 1995 | Bell Canadian Open | 72-67-68-67=274 | –14 | Playoff |
| Jan 7, 1996 | Mercedes Championships | 68-69-66-68=271 | –17 | 3 strokes |
| Apr 28, 1996 | Greater Greensboro Chrysler Classic | 75-68-62-69=274 | –14 | 2 strokes |
| Feb 2, 1997 | AT&T Pebble Beach National Pro-Am | 67-67-67-67=268 | –20 | 1 stroke |
| Feb 9, 1997 | Buick Invitational | 67-66-71-71=275 | –13 | 2 strokes |
| Apr 12, 1998 | Masters Tournament | 74-70-68-67=279 | –9 | 1 stroke |
| Jul 19, 1998 | The Open Championship | 72-68-72-68=280 | E | Playoff |
Question:
Which To par has a Winning score of 64-68-66-63=261?
Answer:
–19