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 | White Sox | 8 - 0 | Bannister (1-4) | 18,769 | 9-10 |
| May 2 | Rangers | 6 - 5 | Darwin (1-3) | 10,525 | 10-10 |
| May 3 | Rangers | 7 - 2 | Gott (0-2) | 10,125 | 10-11 |
| May 4 | Rangers | 7 - 1 | Honeycutt (3-2) | 11,280 | 11-11 |
| May 6 | Royals | 6 - 1 | Gura (4-2) | 12,699 | 12-11 |
| May 7 | Royals | 7 - 4 | Leonard (3-3) | 15,527 | 13-11 |
| May 8 | Royals | 6 - 1 | Gott (0-3) | 25,753 | 13-12 |
| May 9 | @ White Sox | 6 - 1 | Burns (0-1) | 9,848 | 14-12 |
| May 11 | @ White Sox | 3 - 1 (10) | Hoyt (2-5) | 18,844 | 15-12 |
| May 12 | @ Indians | 6 - 3 | Sorensen (2-5) | 6,361 | 16-12 |
| May 13 | @ Indians | 5 - 1 | Morgan (0-2) | 10,900 | 16-13 |
| May 14 | @ Indians | 8 - 1 | Blyleven (3-4) | 15,505 | 17-13 |
| May 15 | @ Indians | Postponed (rain) Rescheduled for August 16 | Postponed (rain) Rescheduled for August 16 | Postponed (rain) Rescheduled for August 16 | Postponed (rain) Rescheduled for August 16 |
| May 16 | @ Brewers | 2 - 1 (11) | McClure (1-6) | 8,298 | 18-13 |
| May 17 | @ Brewers | 9 - 6 | Clancy (3-2) | 9,304 | 18-14 |
| May 18 | @ Brewers | 7 - 6 | Geisel (0-1) | 16,485 | 18-15 |
| May 19 | Orioles | 2 - 1 | Morgan (0-3) | 11,569 | 18-16 |
| May 20 | Orioles | 7 - 5 | Martínez (3-7) | 16,034 | 19-16 |
| May 21 | Orioles | 6 - 0 | Stewart (2-2) | 20,165 | 20-16 |
| May 22 | Orioles | 5 - 0 | Boddicker (1-1) | 15,222 | 21-16 |
| May 23 | Tigers | 4 - 0 | Wilcox (4-5) | 35,011 | 22-16 |
| May 24 | Tigers | 7 - 6 | Rucker (1-2) | 19,105 | 23-16 |
| May 25 | Tigers | 6 - 2 | Gott (1-4) | 15,846 | 23-17 |
| May 26 | Red Sox | 7 - 2 | Stieb (8-3) | 16,589 | 23-18 |
| May 27 | Red Sox | 2 - 0 | Clancy (4-3) | 17,161 | 23-19 |
| May 28 | Red Sox | 9 - 5 | Aponte (3-3) | 30,171 | 24-19 |
| May 29 | Red Sox | 6 - 1 (6) | Eckersley (3-2) | 33,352 | 25-19 |
| May 29 | Red Sox | Postponed (rain) Rescheduled for August 29 | Postponed (rain) Rescheduled for August 29 | Postponed (rain) Rescheduled for August 29 | Postponed (rain) Rescheduled for August 29 |
| May 30 | @ Tigers | 6 - 4 (10) | Gumpert (0-1) | 10,901 | 26-19 |
Question:
What was the date of the game that had a loss of Geisel (0-1)?
Answer:
May 18