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 | Loss | Attendance | Record |
| --- | --- | --- | --- | --- | --- |
| May 1 | @ Twins | 7 - 3 | Williams (0-1) | 26,669 | 14-11 |
| May 3 | Royals | 1 - 0 | Appier (2-3) | 48,173 | 15-11 |
| May 4 | Royals | 6 - 4 (10) | Hall (0-1) | 47,244 | 15-12 |
| May 5 | Royals | 11 - 9 | Guzman (3-3) | 50,076 | 15-13 |
| May 6 | Brewers | 7 - 1 | Stewart (2-3) | 47,150 | 15-14 |
| May 7 | Brewers | 3 - 2 | Bronkey (1-1) | 50,458 | 16-14 |
| May 8 | Brewers | 3 - 1 | Higuera (1-3) | 48,252 | 17-14 |
| May 9 | @ Orioles | 4 - 1 | Leiter (2-2) | 47,369 | 17-15 |
| May 10 | @ Orioles | 6 - 3 | Guzman (3-4) | 47,194 | 17-16 |
| May 11 | @ Orioles | 4 - 1 | Stottlemyre (3-1) | 47,386 | 17-17 |
| May 13 | @ Red Sox | 5 - 3 | Hentgen (5-3) | 32,579 | 17-18 |
| May 14 | @ Red Sox | 11 - 2 | Leiter (2-3) | 33,771 | 17-19 |
| May 15 | @ Red Sox | Postponed (rain) Rescheduled for August 1 | Postponed (rain) Rescheduled for August 1 | Postponed (rain) Rescheduled for August 1 | Postponed (rain) Rescheduled for August 1 |
| May 16 | Tigers | 7 - 2 | Moore (3-3) | 50,456 | 18-19 |
| May 17 | Tigers | 13 - 6 | Stottlemyre (3-2) | 46,439 | 18-20 |
| May 18 | Tigers | 9 - 3 | Gullickson (2-3) | 47,247 | 19-20 |
| May 20 | Indians | 2 - 0 | Nagy (3-3) | 50,501 | 20-20 |
| May 21 | Indians | 9 - 7 | Nabholz (0-1) | 50,519 | 21-20 |
| May 22 | Indians | 8 - 0 | Guzman (4-5) | 48,154 | 21-21 |
| May 23 | Indians | 6 - 5 | Mesa (3-2) | 48,080 | 22-21 |
| May 24 | @ Yankees | 6 - 1 | Stewart (3-4) | 26,217 | 22-22 |
| May 25 | @ Yankees | 5 - 2 | Hentgen (6-4) | 23,250 | 22-23 |
| May 27 | Angels | 6 - 2 | Leiter (3-4) | 48,244 | 22-24 |
| May 28 | Angels | 9 - 4 | Langston (2-3) | 50,509 | 23-24 |
| May 29 | Angels | 5 - 0 | Finley (4-4) | 50,529 | 24-24 |
| May 30 | Athletics | 6 - 2 | Brow (0-2) | 50,088 | 24-25 |
| May 31 | Athletics | 7 - 2 | Hentgen (6-5) | 50,211 | 24-26 |
Question:
What was the score of the game when the record was 18-20?
Answer:
13 - 6