In what year was the album “氷川きよし・演歌名曲コレクション6〜一剣〜” released by 氷川きよし?

In what year was the album “氷川きよし・演歌名曲コレクション6〜一剣〜” released by 氷川きよし?: The album “氷川きよし・演歌名曲コレクション6〜一剣〜” was released in 2006 by 氷川きよし, featuring 12 tracks.
What is the most successful song from the album “氷川きよし・演歌名曲コレクション6〜一剣〜” by 氷川きよし?: “一剣” is the biggest hit from the album “氷川きよし・演歌名曲コレクション6〜一剣〜” by 氷川きよし.

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