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 |
| --- | --- | --- | --- | --- |
| Mar 18, 1979 | Doral-Eastern Open | –9 (67-71-69-72=279) | 1 stroke | Bill Rogers |
| Jul 3, 1983 | Western Open | –4 (74-71-68-71=284) | 1 stroke | Tom Watson |
| Oct 30, 1983 | Pensacola Open | –18 (68-68-65-65=266) | 4 strokes | Lon Hinkle |
| Feb 24, 1985 | Doral-Eastern Open | –4 (70-71-72-71=284) | 1 stroke | Tom Kite |
| Jul 12, 1987 | Anheuser-Busch Golf Classic | –17 (65-69-67-66=267) | 1 stroke | Bobby Clampett |
| Mar 27, 1988 | The Players Championship | –15 (65-72-67-69=273) | 4 strokes | Mike Reid |
| Jul 3, 1989 | Beatrice Western Open | –13 (68-67-71-69=275) | Playoff | Peter Jacobsen |
| Jul 10, 1994 | Anheuser-Busch Golf Classic | –17 (67-69-65-66=267) | 3 strokes | Glen Day |
| Sep 25, 1994 | Hardee's Golf Classic | –15 (66-67-65-67=265) | 1 stroke | Kenny Perry |
| Oct 30, 1994 | The Tour Championship | –10 (66-71-69-68=274) | Playoff | Fuzzy Zoeller |
Question:
What was the margin of victory on Mar 18, 1979?
Answer:
1 stroke