def foreign_key_to(table_name):
foreign_column = TABLE_PREFIX + table_name + '<STR_LIT>'<EOL>return Column(Integer, ForeignKey(foreign_column))<EOL>
Creates a standard foreign key to a table in the database

    :param table_name: name of the table without TABLE_PREFIX
    :type table_name: str
    :return: foreign key column 
    :rtype: sqlalchemy.Column