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:
| Team & Boat name | Sail no. | Flag | Design Firm | Builder | Skipper |
| --- | --- | --- | --- | --- | --- |
| Ericsson Racing Team Ericsson 3 - Nordic crew | SWE 3 | Sweden | Juan Kouyoumdjian | Killian Bushe | Magnus Olsson (Leg 4- ) Anders Lewander (Leg 1-3) |
| Green Dragon Racing Team Green Dragon | IRL 888 | Ireland China | Reichel/Pugh | McConaghy Boats | Ian Walker |
| Puma Ocean Racing Team Il Mostro | USA 1948 | United States | Botin Carkeek | Goetz Custom Boats & Customline Yachts | Ken Read |
| Team Delta Lloyd Black Betty | NED 1 | Netherlands | Juan Kouyoumdjian | Killian Bushe | Roberto Bermudez (Leg 2- ) Ger O'Rourke (Leg 1) |
| Team Russia (Sponsor: WDCS ) Kosatka | RUS 1 | Russia | Humphreys Yacht Design | Green Marine | Andreas Hanakamp |
| Telefonica Blue H.R.M. Elena | ESP 12 | Spain | Farr Yacht Design | King Marine | Bouwe Bekking |
Question:
Farr Yacht Design designed boats for how many country/flags?
Answer:
1.0