Question: What is the start date that УКП(б) is the short title of the political party whose official name is Российская коммунистическая партия (большевиков)?
Options:
1971-01-12
1534-01-01
1818-12-03
2010-02-17
2012-02-03
2008-04-29
1925
1998-05-01
1974-04-23
1918-11-11