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:
| Channel | Channel name | Callsign | Signal power | Broadcast area |
| --- | --- | --- | --- | --- |
| 1.0 | NHK General TV / NHK G (GTV) | JOAK-DTV | 10kW | Greater Tokyo |
| 2.0 | NHK Educational TV / NHK E (ETV) | JOAB-DTV | 10kW | All Kantō |
| 4.0 | Nippon Television / Nittele (NTV) | JOAX-DTV | 10kW | All Kantō |
| 5.0 | TV Asahi / Tele-Asa (EX) | JOEX-DTV | 10kW | All Kantō |
| 6.0 | TBS | JORX-DTV | 10kW | All Kantō |
| 7.0 | TV Tokyo / Teleto (TX) | JOTX-DTV | 10kW | All Kantō |
| 8.0 | Fuji Television (CX) | JOCX-DTV | 10kW | All Kantō |
Question:
How many channels are there in the Greater Tokyo area?
Answer:
1.0