def __contains__(self, column):
for query in self.__queries:<EOL><INDENT>if column in query:<EOL><INDENT>return True<EOL><DEDENT><DEDENT>return False<EOL>
Returns whether or not the query compound contains a query for the
inputted column name.

:param      value | <variant>

:return     <bool>

:usage      |>>> from orb import Query as Q
            |>>> q = Q('testing') == True
            |>>> 'testing' in q
            |True
            |>>> 'name' in q
            |False