Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| City | Province/Region | Country | IATA | ICAO | Airport |
| --- | --- | --- | --- | --- | --- |
| Hachijōjima | Kantō | Japan | HAC | RJTH | Hachijojima Airport |
| Miyakejima | Kantō | Japan | MYE | RJTQ | Miyakejima Airport |
| Ōshima | Kantō | Japan | OIM | RJTO | Oshima Airport |
| Komatsu | Chūbu | Japan | KMQ | RJNK | Komatsu Airport |
| Niigata | Chūbu | Japan | KIJ | RJSN | Niigata Airport |
| Shizouka | Chūbu | Japan | FSZ | RJNS | Shizuoka Airport |
| Toyama | Chūbu | Japan | TOY | RJNT | Toyama Airport |
| Wajima | Chūbu | Japan | NTQ | RJNW | Noto Airport |
| Kobe | Kansai | Japan | UKB | RJBE | Kobe Airport |
| Hiroshima | Chūgoku | Japan | HIJ | RJOA | Hiroshima Airport |
| Iwakuni | Chūgoku | Japan | IWK | RJOI | Marine Corps Air Station Iwakuni |
| Okayama | Chūgoku | Japan | OKJ | RJOB | Okayama Airport |
| Ōnan / Hagi | Chūgoku | Japan | IWJ | RJOW | Iwami Airport |
| Tottori | Chūgoku | Japan | TTJ | RJOR | Tottori Airport |
| Yonago | Chūgoku | Japan | YGJ | RJOH | Miho-Yonago Airport |
| Yamaguchi - Ube | Chūgoku | Japan | UBJ | RJDC | Yamaguchi Ube Airport |
| Akita | Tōhoku | Japan | AXT | RJSK | Akita Airport |
| Fukushima | Tōhoku | Japan | FKS | RJSF | Fukushima Airport |
| Odate | Tōhoku | Japan | ONJ | RJSR | Odate-Noshiro Airport |
| Sendai | Tōhoku | Japan | SDJ | RJSS | Sendai Airport |
| Shōnai | Tōhoku | Japan | SYO | RJSY | Shonai Airport |
| Asahikawa | Hokkaidō | Japan | AKJ | RJEC | Asahikawa Airport |
| Hakodate | Hokkaidō | Japan | HKD | RJCH | Hakodate Airport |
| Kushiro | Hokkaidō | Japan | KUH | RJCK | Kushiro Airport |
| Monbetsu | Hokkaidō | Japan | MBE | RJEB | Monbetsu Airport |
| Nakashibetsu | Hokkaidō | Japan | SHB | RJCN | Nakashibetsu Airport |
| Ōzora | Hokkaidō | Japan | MMB | RJCM | Memanbetsu Airport |
| Rishiri Island | Hokkaidō | Japan | RIS | RJER | Rishiri Airport |
| Sapporo | Hokkaidō | Japan | CTS | RJCC | New Chitose Airport |
| Wakkanai | Hokkaidō | Japan | WKJ | RJCW | Wakkanai Airport |
Question:
In what city is RJSN located?
Answer:
Niigata