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:
| Road race | Distance | Location | Country | Month held |
| --- | --- | --- | --- | --- |
| Maraton de Santiago | Marathon | Santiago | Chile | April |
| Pyongyang Marathon | Marathon | Pyongyang | North Korea | April |
| Brighton Marathon | Marathon | Brighton | United Kingdom | April |
| Nagano Marathon | Marathon | Nagano | Japan | April |
| Düsseldorf Marathon | Marathon | Düsseldorf | Germany | April |
| Hannover Marathon | Marathon | Hannover | Germany | May |
| Riga Marathon | Marathon | Riga | Latvia | May |
| Gifu Seiryu Half Marathon | Half marathon | Gifu | Japan | May |
| Edinburgh Marathon | Marathon | Edinburgh | United Kingdom | May |
| Corrida de Langueux | 10 km | Langueux | France | June |
| Vidovdan 10K | 10 km | Brčko | Bosnia and Herzegovina | June |
| Gold Coast Marathon | Marathon | Gold Coast | Australia | July |
| Siberian International Marathon | Marathon | Omsk | Russia | September |
| Paris 20K | 20 km | Paris | France | October |
| Beirut Marathon | 20 km | Beirut | Lebanon | November |
| Alpes-Maritimes Marathon | Marathon | Nice | France | November |
| Valencia Marathon | Marathon | Valencia | Spain | November |
Question:
How many times a year is the Brighton Marathon held?
Answer:
1.0