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 |
| --- | --- | --- | --- | --- |
| Feb 21, 1987 | Tsumura Hawaiian Ladies Open | –9 (69-71-67=207) | 2 strokes | Jane Geddes |
| May 31, 1987 | LPGA Corning Classic | –13 (70-69-69-67=275) | 1 stroke | Jane Geddes , Betsy King , Patty Sheehan |
| May 14, 1989 | Chrysler-Plymouth Classic | –5 (70-72-72=214) | 2 strokes | Laura Davies |
| May 20, 1990 | Planters Pat Bradley International | 25 points (3-4-12-6) | 1 point | Beth Daniel |
| Aug 18, 1991 | Northgate Computer Classic | –13 (75-68-68=211) | Playoff | Jody Anschutz , Beth Daniel |
Question:
What tournament was on May 31, 1987?
Answer:
LPGA Corning Classic