Task: Question Generation
Input (English): List of Attack on Titan episodes -- A second season aired from April 1 to June 17, 2017 on MBS and other television networks. Funimation and Crunchyroll streamed the second season on their respective websites, while Adult Swim aired a dubbed version. The opening theme song is ``Opfert eure Herzen!'' (心臓を捧げよ!, Shinzō o Sasageyo!, lit. ``Dedicate Your Hearts!'') by Linked Horizon and the ending theme song is ``Yūgure no Tori'' (夕暮れの鳥) by Shinsei Kamattechan.
Output (English): is season 2 of attack on titan out