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:
| Stage | Date | Route | Terrain | Length | Winner |
| --- | --- | --- | --- | --- | --- |
| 1 | 22 June | Rennes – Lisieux | Plain stage | 215 km (134 mi) | Edward Sels (BEL) |
| 2 | 23 June | Lisieux – Amiens | Plain stage | 208 km (129 mi) | André Darrigade (FRA) |
| 3A | 24 June | Amiens – Forest | Plain stage | 197 km (122 mi) | Bernard Vandekerkhove (BEL) |
| 3B | 24 June | Forest – Forest | Team time trial | 21 km (13 mi) | Kas-Kaskol |
| 4 | 25 June | Forest – Metz | Plain stage | 292 km (181 mi) | Rudi Altig (GER) |
| 5 | 26 June | Metz – Freiburg | Plain stage | 161 km (100 mi) | Willy Derboven (BEL) |
| 6 | 27 June | Freiburg – Besançon | Plain stage | 200 km (120 mi) | Henk Nijdam (NED) |
| 7 | 28 June | Besançon – Thonon-les-Bains | Plain stage | 195 km (121 mi) | Jan Janssen (NED) |
| 8 | 29 June | Thonon-les-Bains – Briançon | Stage with mountain(s) | 249 km (155 mi) | Federico Bahamontes (ESP) |
| 9 | 30 June | Briançon – Monaco | Stage with mountain(s) | 239 km (149 mi) | Jacques Anquetil (FRA) |
| 10A | 1 July | Monaco – Hyères | Plain stage | 187 km (116 mi) | Jan Janssen (NED) |
| 10B | 1 July | Hyères – Toulon | Individual time trial | 21 km (13 mi) | Jacques Anquetil (FRA) |
| 11 | 2 July | Toulon – Montpellier | Plain stage | 250 km (160 mi) | Edward Sels (BEL) |
| 12 | 3 July | Montpellier – Perpignan | Plain stage | 174 km (108 mi) | Jo de Roo (NED) |
| 13 | 4 July | Perpignan – Andorra | Stage with mountain(s) | 170 km (110 mi) | Julio Jiménez (ESP) |
| 14 | 6 July | Andorra – Toulouse | Stage with mountain(s) | 186 km (116 mi) | Edward Sels (BEL) |
| 15 | 7 July | Toulouse – Luchon | Stage with mountain(s) | 203 km (126 mi) | Raymond Poulidor (FRA) |
| 16 | 8 July | Luchon – Pau | Stage with mountain(s) | 197 km (122 mi) | Federico Bahamontes (ESP) |
| 17 | 9 July | Peyrehorade – Bayonne | Individual time trial | 43 km (27 mi) | Jacques Anquetil (FRA) |
| 18 | 10 July | Bayonne – Bordeaux | Plain stage | 187 km (116 mi) | André Darrigade (FRA) |
| 19 | 11 July | Bordeaux – Brive | Plain stage | 215 km (134 mi) | Edward Sels (BEL) |
| 20 | 12 July | Brive – Puy de Dôme | Stage with mountain(s) | 217 km (135 mi) | Julio Jiménez (ESP) |
| 21 | 13 July | Clermont-Ferrand – Orléans | Plain stage | 311 km (193 mi) | Jean Stablinski (FRA) |
| 22A | 14 July | Orléans – Versailles | Plain stage | 119 km (74 mi) | Benoni Beheyt (BEL) |
| 22B | 14 July | Versailles – Paris | Individual time trial | 27 km (17 mi) | Jacques Anquetil (FRA) |
Question:
how many different countries won at least one stage in the 1964 tour de france?
Answer:
5