Question: Which Summer Olympic Games, with 30 as their edition number, have London 2012 Twitter username (the subscription number of this statement is 1276502)?
Choices:
1900 Summer Olympics
1972 Summer Olympics
1908 Summer Olympics
1904 Summer Olympics
1952 Summer Olympics
2012 Summer Olympics
1936 Summer Olympics
1896 Summer Olympics
1980 Summer Olympics
1924 Summer Olympics