id = Column(Integer, primary_key=True, nullable=False)
generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False)
name = Column(Unicode(64), nullable=False)
id = Column(Integer, primary_key=True, nullable=False)
generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False)
name = Column(Unicode(64), nullable=False)