Completed the following sentence: In the 2007<unk>08 season, he won the silver medal at the 2007<unk>08 Japan Championships. Complete the following sentence: In the 2007<unk>08 season, he won the silver medal at the 2007<unk>08 Japan Championships. <unk> <unk> <unk> <unk> <unk>
2008 Worlds.