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:
| Entities | Country | Supply point | Voltage (kV) | Power (MW) |
| --- | --- | --- | --- | --- |
| FURNAS, ELECTROSUL, ELECTROBRAS | Brazil | Itaipu | 500.0 | 7000.0 |
| EBISA | Argentina | Yacyretá | 500.0 | 1540.0 |
| ENERSUL | Brazil | Pedro Juan Caballero | 23.0 | 3.0 |
| COPEL | Brazil | Acaray | 132.0 | 50.0 |
| EMSA | Argentina | C.A. López | 132.0 | 30.0 |
Question:
In how many countries is Itaipu a supply point for electricity?
Answer:
1.0