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 | Opponent | Score | Win | Loss | Save | Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 74 | July 1 | Mariners | 4 - 3 | Perry (6-7) | Leal (5-6) | Caudill (14) | 21,004 | 33-41 |
| 75 | July 2 | @ Twins | 9 - 4 | Murray (4-3) | Havens (3-6) | McLaughlin (3) | 7,503 | 34-41 |
| 76 | July 3 | @ Twins | 2 - 1 | O'Connor (1-2) | Clancy (7-5) |  | 9,591 | 34-42 |
| 77 | July 4 | @ Twins | 4 - 3 | Little (1-0) | Stieb (6-10) |  | 6,532 | 34-43 |
| 78 | July 5 | @ Rangers | 3 - 2 | Matlack (4-5) | Leal (5-7) | Darwin (4) | 29,126 | 34-44 |
| 79 | July 6 | @ Rangers | 4 - 3 | Murray (5-3) | Tanana (4-10) |  | 9,657 | 35-44 |
| 80 | July 7 | @ Royals | 3 - 1 | Gura (10-4) | Clancy (7-6) |  | 22,217 | 35-45 |
| 81 | July 8 | @ Royals | 5 - 4 | Stieb (7-10) | Armstrong (2-3) | McLaughlin (4) | 24,409 | 36-45 |
| 82 | July 9 | White Sox | 7 - 6 | Murray (6-3) | Dotson (3-10) | McLaughlin (5) | 15,131 | 37-45 |
| 83 | July 10 | White Sox | 6 - 5 | Escárrega (1-1) | Gott (1-5) | Hickey (4) | 17,035 | 37-46 |
| 84 | July 11 | White Sox | 16 - 7 | Burns (9-4) | Clancy (7-7) |  | 16,169 | 37-47 |
| 85 | July 15 | Rangers | 5 - 1 | Stieb (8-10) | Honeycutt (4-10) |  | 14,123 | 38-47 |
| 86 | July 16 | Rangers | 6 - 0 | Clancy (8-7) | Hough (7-8) |  | 13,359 | 39-47 |
| 87 | July 17 | Rangers | 11 - 3 | Jackson (3-6) | Butcher (0-1) |  | 17,080 | 40-47 |
| 88 | July 18 | Rangers | 5 - 4 (10) | McLaughlin (8-3) | Darwin (6-4) |  | 15,512 | 41-47 |
| 89 | July 19 | Royals | 4 - 2 | Leal (6-7) | Black (3-3) |  | 16,466 | 42-47 |
| 90 | July 20 | Royals | 9 - 2 | Stieb (9-10) | Gura (10-7) |  | 18,552 | 43-47 |
| 91 | July 21 | Royals | 9 - 7 | Blue (7-7) | Clancy (8-8) | Quisenberry (23) | 19,152 | 43-48 |
| 92 | July 22 | @ White Sox | 3 - 2 | Burns (10-4) | McLaughlin (8-4) |  | 21,875 | 43-49 |
| 93 | July 23 | @ White Sox | 7 - 1 | Leal (7-7) | Barnes (0-2) | Jackson (5) | 27,770 | 44-49 |
| 94 | July 24 | @ White Sox | 8 - 1 | Stieb (10-10) | Lamp (7-5) | Murray (1) | 21,821 | 45-49 |
| 95 | July 25 | @ White Sox | 5 - 3 | Hoyt (12-9) | Clancy (8-9) |  | 17,452 | 45-50 |
| 96 | July 26 | @ Red Sox | 3 - 2 | Eckersley (11-8) | Gott (1-6) |  | 22,261 | 45-51 |
| 97 | July 27 | @ Red Sox | 3 - 1 | Leal (8-7) | Tudor (6-8) |  | 27,077 | 46-51 |
| 98 | July 28 | @ Red Sox | 9 - 7 | Ojeda (4-5) | Jackson (3-7) | Stanley (8) | 18,627 | 46-52 |
| 99 | July 30 | Tigers | 6 - 5 (12) | Murray (7-3) | James (0-2) |  | 18,262 | 47-52 |
| 100 | July 31 | Tigers | 1 - 0 (10) | Gott (2-6) | Rucker (1-1) |  | 21,007 | 48-52 |
Question:
leal won on july 23, but when was the blue jays previous win?
Answer:
July 20