title: List of Clannad episodes
context: The Clannad anime series has 24 episodes, 23 of which were originally broadcast between October 2007 and March 2008. The last episode was released as an original video animation (OVA) on the eighth DVD in July 2008. The anime series was released in a set of eight DVD compilations in Japan released between December 2007 and July 2008 by Pony Canyon, with each compilation containing three episodes.[1] The license holding company Sentai Filmworks licensed the Clannad anime series,[2] and Section23 Films localized and distributed the television series and the OVA starting with the first half season box set consisting of 12 episodes with English subtitles, Japanese audio, and no English language track, which was released in March 2009.[3] The second half season box set containing the remaining episodes was released in May 2009. Sentai Filmworks and Section23 Films released the entire first season, including the OVA, in a complete collection set featuring an English dub on June 15, 2010.[4]
question: When did the anime series Clannad begin?
answers: October 2007