Question: For the capital that is the twinned administrative body of Bangkok (the start time of this statement is 2009-12-29),  at what time point is its area 41.38 square kilometres?
Choices:
1938-01-01
1994
1922
2013-06-30
2004-01-01
1867-12-03
1400-01-01
1906
1935-12-01
1991-03-01