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 | Stadium | Attendance | Record |
| --- | --- | --- | --- | --- | --- | --- |
| April 1 | @ Twins | 9–1 | Bonser (0–1) | HHH Metrodome | 24586.0 | 1–1 |
| April 2 | @ Twins | 1–0 | Blackburn (0–1) | HHH Metrodome | 21932.0 | 2–1 |
| April 3 | @ Twins | 5–4 | Slowey (0–1) | HHH Metrodome | 17084.0 | 3–1 |
| April 4 | Rangers | 11–6 | Moseley (0–1) | Angel Stadium of Anaheim | 43838.0 | 3–2 |
| April 5 | Rangers | 2–1 | Millwood (0–2) | Angel Stadium of Anaheim | 41170.0 | 4–2 |
| April 6 | Rangers | 10–4 | Garland (1–1) | Angel Stadium of Anaheim | 39242.0 | 4–3 |
| April 7 | Indians | 6–4 | Borowski (0–1) | Angel Stadium of Anaheim | 35014.0 | 5–3 |
| April 8 | Indians | 4–3 | Speier (0–1) | Angel Stadium of Anaheim | 37587.0 | 5–4 |
| April 9 | Indians | 9–5 | Byrd (0–2) | Angel Stadium of Anaheim | 36168.0 | 6–4 |
| April 11 | @ Mariners | 8–5 | Weaver (1–2) | Safeco Field | 28915.0 | 6–5 |
| April 12 | @ Mariners | 8–3 | Garland (1–2) | Safeco Field | 34963.0 | 6–6 |
| April 13 | @ Mariners | 10–5 | Baek (0–1) | Safeco Field | 30664.0 | 7–6 |
| April 14 | @ Rangers | 7–4 | Jennings (0–3) | Rangers Ballpark in Arlington | 16541.0 | 8–6 |
| April 15 | @ Rangers | 7–4 | Rupe (0–1) | Rangers Ballpark in Arlington | 15595.0 | 9–6 |
| April 16 | Royals | 3–2 | Weaver (1–3) | Angel Stadium of Anaheim | 41336.0 | 9–7 |
| April 17 | Royals | 5–3 | Tomko (1–2) | Angel Stadium of Anaheim | 40021.0 | 10–7 |
| April 18 | Mariners | 5–4 | Dickey (0–1) | Angel Stadium of Anaheim | 43939.0 | 11–7 |
| April 19 | Mariners | 4–1 | Washburn (1–3) | Angel Stadium of Anaheim | 43959.0 | 12–7 |
| April 20 | Mariners | 4–2 | Moseley (1–2) | Angel Stadium of Anaheim | 43631.0 | 12–8 |
| April 22 | @ Red Sox | 7–6 | Oliver (1–1) | Fenway Park | 37982.0 | 12–9 |
| April 23 | @ Red Sox | 6–4 | Hansen (0–1) | Fenway Park | 38172.0 | 13–9 |
| April 24 | @ Red Sox | 7–5 | Delcarmen (0–1) | Fenway Park | 37848.0 | 14–9 |
| April 25 | @ Tigers | 4–3 | Robertson (0–3) | Comerica Park | 40380.0 | 15–9 |
| April 26 | @ Tigers | 6–4 | O'Day (0–1) | Comerica Park | 42068.0 | 15–10 |
| April 27 | @ Tigers | 6–2 | Verlander (1–4) | Comerica Park | 36347.0 | 16–10 |
| April 28 | Athletics | 14–2 | Garland (3–3) | Angel Stadium of Anaheim | 37725.0 | 16–11 |
| April 29 | Athletics | 2–0 | Smith (1–2) | Angel Stadium of Anaheim | 35764.0 | 17–11 |
| April 30 | Athletics | 6–1 | Eveland (3–2) | Angel Stadium of Anaheim | 35301.0 | 18–11 |
Question:
Who was the opponent on April 28?
Answer:
Athletics