Table:
team
from
to
record

m
w
d
l
gf
ga
gd
win %
ref

carl zeiss jena
1 july 1971
23 october 1983
433
232
83
118
811
510
+301
53.58
none

rot-weiß erfurt
1 july 1984
28 april 1987
86
31
30
25
140
114
+26
36.05
none

fc karl-marx-stadt/ chemnitzer fc
1 july 1988
9 june 1993
184
82
52
50
248
196
+52
44.57
none

carl zeiss jena
2 october 1993
27 august 1994
36
9
17
10
37
32
+5
25.00
none

union berlin
25 january 1995
2 october 1995
27
17
6
4
60
24
+36
62.96
none

fc twente
1 january 1996
6 september 1999
150
69
35
46
235
183
+52
46.00
none

borussia monchengladbach
6 september 1999
1 march 2003
131
51
42
38
200
164
+36
38.93
none

hertha bsc
20 december 2003
30 june 2004
17
7
5
5
23
24
-1
41.18
none

1. fc nurnberg
9 november 2005
12 february 2008
91
33
31
27
131
102
+29
36.26
none

borussia monchengladbach
19 october 2008
28 may 2009
26
7
6
13
31
45
-14
26.92
none

total
1,181
538
307
336
1,916
1,394
+522
45.55
-

Statement: meyer was manager of hertha bsc from december 20, 2003 to june 30, 2004.
Question: when did meyer become the manager of hertha bsc.
Answer: 20 december 2003