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:
| Club | Leagues | Venue | Location | Capacity | Established |
| --- | --- | --- | --- | --- | --- |
| Panachaiki F.C. | Second Division - football | Kostas Davourlis Stadium | Agyia | 11321.0 | 1891.0 |
| Panachaiki V.C. | First Division - volleyball | Panachaiki Indoor Arena | Agyia | 500.0 | 1928.0 |
| Thyella Patras F.C. | Regional Championship - football | Fotis Aravantinos Stadium | Glafkos | 3000.0 | 1930.0 |
| Apollon Patras | Basket League - basketball | Apollon Patras Indoor Hall | Perivola | 3500.0 | 1926.0 |
| Olympiada Patras | B National - basketball | Olympiada Indoor Hall | Taraboura | 2500.0 | 1961.0 |
| EA Patras | A1 Ethniki - volleyball | EAP Arena | Agios Dionysios | 2200.0 | 1927.0 |
| NO Patras | A1 Ethniki - water polo | NOP Aquatic Centre | Akti Dymeon | 3000.0 | 1929.0 |
| NE Patras | A2 Ethniki - water polo | Antonis Pepanos Aquatic Centre | Koukouli | 4000.0 | 2006.0 |
| Ormi Patras | A1 Women's - handball | Dimitris Tofalos Arena | Bozaitika | 4500.0 | 2003.0 |
Question:
What is the capacity for b national - basketball?
Answer:
1.0