how many stations have a distance below 15km?
7
Name Japanese Distance\n(km) Connections Location
Okayama 岡山 0.0 Sanyō Shinkansen, Sanyō Main Line, Akō Line, Hakubi Line, Uno Line (Seto-Ōhashi Line), Tsuyama Line\nOkayama Electric Tramway: Higashiyama Line, Seikibashi Line Kita-ku, Okayama
Bizen-Mikado 備前三門 1.9 Kita-ku, Okayama
Daianji 大安寺 3.3 Kita-ku, Okayama
Bizen-Ichinomiya 備前一宮 6.5 Kita-ku, Okayama
Kibitsu 吉備津 8.4 Kita-ku, Okayama
Bitchū-Takamatsu 備中高松 11.0 Kita-ku, Okayama
Ashimori 足守 13.4 Kita-ku, Okayama
Hattori 服部 16.2 Sōja
Higashi-Sōja 東総社 18.8 Sōja
Sōja 総社 20.4 Hakubi Line\nIbara Railway Ibara Line Sōja
csv/203-csv/273.tsv