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 |
| --- | --- | --- | --- | --- |
| May 1, 1977 | Birmingham Classic | -9 (68-69-70=207) | 1 stroke | Debbie Massey |
| Jun 26, 1977 | Hoosier Classic | -9 (70-70-67=207) | 2 strokes | Judy Rankin , Jan Stephenson |
| Jul 31, 1977 | Pocono Northeast Classic | -6 (71-73-69=213) | 1 stroke | Sandra Post |
| Aug 14, 1977 | Long Island Charity Classic | -9 (73-69-66-71=279) | 2 stroke | Nancy Lopez , Kathy Whitworth |
| Aug 21, 1977 | Wheeling Classic | -7 (67-72-70=209) | 1 stroke | Hollis Stacy |
| Feb 12, 1978 | American Cancer Society Classic | -4 (68-72-72=212) | 1 stroke | Beth Solomon , Nayoko Yoshikawa |
| Jul 12, 1981 | Mayflower Classic | -9 (68-69-68-74=279) | 4 strokes | Myra Blackwelder , Hollis Stacy |
Question:
What was the winning score on Aug 21, 1977?
Answer:
-7 (67-72-70=209)