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:
| City | Country | IATA | ICAO | Airport |
| --- | --- | --- | --- | --- |
| Amsterdam | Netherlands | AMS | EHAM | Amsterdam Airport Schiphol |
| Berlin | Germany | TXL | EDDT | Berlin Tegel Airport |
| Birmingham | United Kingdom | BHX | EGBB | Birmingham Airport |
| Cardiff | United Kingdom | CWL | EGFF | Cardiff Airport |
| Knock | Ireland | NOC | EIKN | Ireland West Airport Knock |
| Düsseldorf | Germany | DUS | EDDL | Düsseldorf International Airport |
| Geneva | Switzerland | GVA | LSGG | Geneva Airport |
| Glasgow | United Kingdom | GLA | EGPF | Glasgow Airport |
| Hamburg | Germany | HAM | EDDH | Hamburg Airport |
| Leipzig | Germany | LEJ | EDDP | Leipzig/Halle Airport |
| Lyon | France | LYS | LFLL | Lyon-Saint Exupéry Airport |
| Manchester | United Kingdom | MAN | EGCC | Manchester Airport |
| Milan | Italy | MXP | LIMC | Malpensa Airport |
| Newcastle | United Kingdom | NCL | EGNT | Newcastle Airport |
| Nuremberg | Germany | NUE | EDDN | Nuremberg Airport |
| Oslo | Norway | OSL | ENGM | Oslo Airport, Gardermoen |
| Paris | France | CDG | LFPG | Paris-Charles de Gaulle Airport |
| Poznan | Poland | POZ | EPPO | Poznan-Lawica Airport |
| Prague | Czech Republic | PRG | LKPR | Prague Ruzyne Airport |
| Sofia | Bulgaria | SOF | LBSF | Sofia Airport |
| Stuttgart | Germany | STR | EDDS | Stuttgart Airport |
| Turin | Italy | TRN | LIMF | Turin Caselle Airport |
| Vienna | Austria | VIE | LOWW | Vienna International Airport |
| Westerland | Germany | GWT | EDXM | Sylt Airport |
| Wroclaw | Poland | WRO | EPWR | Copernicus Airport Wroclaw |
| Stockholm | Sweden | ARN | ESSA | Stockholm Arlanda Airport |
Question:
what is the country when the iata is gva?
Answer:
Switzerland