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:
| Year | Tournament | Winner | Country | Score | To par | Margin of victory | Winner's share ( $ ) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1932.0 | Western Open (a) | Walter Hagen | United States | 288 | Even | 1 stroke | u |
| 1937.0 | Western Open | Ralph Guldahl | United States | 287 | –1 | Playoff (b) | u |
| 1940.0 | U.S. Open | Lawson Little | United States | 287 | –1 | Playoff (c) | 1,000 |
| 1946.0 | U.S. Open | Lloyd Mangrum | United States | 284 | –4 | Playoff (d) | 1,833 |
| 1964.0 | U.S. Amateur | William C. Campbell | United States | 1 up | n/a | n/a | n/a |
| 1973.0 | PGA Championship | Jack Nicklaus | United States | 277 | –7 | 4 strokes | 45,000 |
| 1979.0 | U.S. Amateur | Mark O'Meara | United States | 8 & 7 | n/a | n/a | n/a |
| 1983.0 | Senior Tournament Players Championship | Miller Barber | United States | 278 | –10 | 1 stroke | 40,000 |
| 1984.0 | Senior Tournament Players Championship | Arnold Palmer | United States | 276 | –12 | 3 strokes | 36,000 |
| 1985.0 | Senior Tournament Players Championship | Arnold Palmer | United States | 274 | –14 | 11 strokes | 36,000 |
| 1986.0 | Senior Tournament Players Championship | Chi-Chi Rodríguez | United States | 206 | –10 | 2 strokes | 45,000 |
| 1996.0 | U.S. Senior Open | Dave Stockton | United States | 277 | –11 | 2 strokes | 215,500 |
| 2009.0 | Senior PGA Championship | Michael Allen | United States | 274 | –6 | 2 strokes | 360,000 |
Question:
How many strokes to par when the score is 1 up?
Answer:
n/a