Bob Melvin
Managerial record
Table:
Team
From
To
Regular season record
Post–season record

G
W
L
Win %
G
W
L
Win %

Seattle Mariners
2003
2004

324
156
168
.481

—

Arizona Diamondbacks
2005
2009

677
337
340
.498

7
3
4
.429

Oakland Athletics
2011
present

1233
634
599
.514

12
4
8
.333

Total

2234
1127
1107
.504

19
7
12
.368

Ref.:[23]

Based on the data table for 'Bob Melvin' titled 'Managerial record', compose one sentence describing only the highlighted cells and provide it inside the JSON object {"answer": "YOUR ANSWER"}.