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 |
| --- | --- | --- | --- | --- |
| Abu Dhabi | United Arab Emirates | AUH | OMAA | Abu Dhabi Airport |
| Accra | Ghana | ACC | DGAA | Kotoka Airport |
| Amsterdam | Netherlands | AMS | EHAM | Amsterdam Airport Schiphol |
| Athens | Greece | ATH | LGAV | Eleftherios Venizelos Airport |
| Atlanta | United States | ATL | KATL | Hartsfield–Jackson Airport |
| Bangkok | Thailand | BKK | VTBS | Suvarnabhumi Airport |
| Barcelona | Spain | BCN | LEBL | Barcelona-El Prat Airport |
| Basel Mulhouse Freiburg | Switzerland France Germany | BSL MLH EAP | LFSB | Euro Airport |
| Beijing | China | PEK | ZBAA | Capital Airport |
| Beirut | Lebanon | BEY | OLBA | Rafic Hariri Airport |
| Belgrade | Serbia | BEG | LYBE | Nikola Tesla Airport |
| Benghazi | Libya | BEN | HLLB | Benina Airport |
| Berlin | Germany | TXL | EDDT | Tegel Airport |
| Bilbao | Spain | BIO | LEBB | Bilbao Airport |
| Birmingham | United Kingdom | BHX | EGBB | Birmingham Airport |
| Boston | United States | BOS | KBOS | Logan Airport |
| Brussels | Belgium | BRU | EBBR | Brussels Airport |
| Bucharest | Romania | OTP | LROP | Otopeni Airport |
| Budapest | Hungary | BUD | LHBP | Ferihegy Airport |
| Buenos Aires | Argentina | EZE | SAEZ | Ministro Pistarini Airport (Ezeiza) |
| Cairo | Egypt | CAI | HECA | Cairo Airport |
| Caracas | Venezuela | CCS | SVMI | Simón Bolívar Airport |
| Casablanca | Morocco | CMN | GMMN | Mohammed V Airport |
| Chicago | United States | ORD | KORD | O'Hare Airport |
| Copenhagen | Denmark | CPH | EKCH | Kastrup Airport |
| Dar es Salaam | Tanzania | DAR | HTDA | Julius Nyerere Airport |
| Delhi | India | DEL | VIDP | Indira Gandhi Airport |
| Douala | Cameroon | DLA | FKKD | Douala Airport |
| Dubai | United Arab Emirates | DXB | OMDB | Dubai Airport |
| Dublin | Ireland | DUB | EIDW | Dublin Airport |
| Düsseldorf | Germany | DUS | EDDL | Lohausen Airport |
| Florence | Italy | FLR | LIRQ | Peretola Airport |
| Frankfurt | Germany | FRA | EDDF | Frankfurt am Main Airport |
| Geneva | Switzerland | GVA | LSGG | Cointrin Airport |
| Genoa | Italy | GOA | LIMJ | Cristoforo Colombo Airport |
| Gothenburg [begins 2013-12-14] | Sweden | GOT | ESGG | Gothenburg-Landvetter Airport |
| Hamburg | Germany | HAM | EDDH | Fuhlsbüttel Airport |
| Hannover | Germany | HAJ | EDDV | Langenhagen Airport |
| Helsinki | Finland | HEL | EFHK | Vantaa Airport |
| Ho Chi Minh City | Vietnam | SGN | VVTS | Tan Son Nhat Airport |
| Hong Kong | Hong Kong | HKG | VHHH | Chek Lap Kok Airport |
| Istanbul | Turkey | IST | LTBA | Atatürk Airport |
| Jakarta | Indonesia | CGK | WIII | Soekarno–Hatta Airport |
| Jeddah | Saudi Arabia | JED | OEJN | King Abdulaziz Airport |
| Johannesburg | South Africa | JNB | FAJS | OR Tambo Airport |
| Karachi | Pakistan | KHI | OPKC | Jinnah Airport |
| Kiev | Ukraine | KBP | UKBB | Boryspil International Airport |
| Lagos | Nigeria | LOS | DNMM | Murtala Muhammed Airport |
| Libreville | Gabon | LBV | FOOL | Leon M'ba Airport |
| Lisbon | Portugal | LIS | LPPT | Portela Airport |
| London | United Kingdom | LCY | EGLC | City Airport |
| London [begins 2013-12-14] | United Kingdom | LGW | EGKK | Gatwick Airport |
| London | United Kingdom | LHR | EGLL | Heathrow Airport |
| Los Angeles | United States | LAX | KLAX | Los Angeles International Airport |
| Lugano | Switzerland | LUG | LSZA | Agno Airport |
| Luxembourg City | Luxembourg | LUX | ELLX | Findel Airport |
| Lyon | France | LYS | LFLL | Saint-Exupéry Airport |
| Madrid | Spain | MAD | LEMD | Madrid-Barajas Airport |
| Malabo | Equatorial Guinea | SSG | FGSL | Saint Isabel Airport |
| Malaga | Spain | AGP | LEMG | Málaga-Costa del Sol Airport |
| Manchester | United Kingdom | MAN | EGCC | Ringway Airport |
| Manila | Philippines | MNL | RPLL | Ninoy Aquino Airport |
| Marrakech [begins 2013-11-01] | Morocco | RAK | GMMX | Menara Airport |
| Miami | United States | MIA | KMIA | Miami Airport |
| Milan | Italy | MXP | LIMC | Malpensa Airport |
| Minneapolis | United States | MSP | KMSP | Minneapolis Airport |
| Montreal | Canada | YUL | CYUL | Pierre Elliott Trudeau Airport |
| Moscow | Russia | DME | UUDD | Domodedovo Airport |
| Mumbai | India | BOM | VABB | Chhatrapati Shivaji Airport |
| Munich | Germany | MUC | EDDM | Franz Josef Strauss Airport |
| Muscat | Oman | MCT | OOMS | Seeb Airport |
| Nairobi | Kenya | NBO | HKJK | Jomo Kenyatta Airport |
| Newark | United States | EWR | KEWR | Liberty Airport |
| New York City | United States | JFK | KJFK | John F Kennedy Airport |
| Nice | France | NCE | LFMN | Côte d'Azur Airport |
| Nuremberg | Germany | NUE | EDDN | Nuremberg Airport |
| Oslo | Norway | OSL | ENGM | Gardermoen Airport |
| Palma de Mallorca | Spain | PMI | LFPA | Palma de Mallorca Airport |
| Paris | France | CDG | LFPG | Charles de Gaulle Airport |
| Porto | Portugal | OPO | LPPR | Francisco de Sa Carneiro Airport |
| Prague | Czech Republic | PRG | LKPR | Ruzyně Airport |
| Riga | Latvia | RIX | EVRA | Riga Airport |
| Rio de Janeiro [resumes 2014-7-14] | Brazil | GIG | SBGL | Galeão Airport |
| Riyadh | Saudi Arabia | RUH | OERK | King Khalid Airport |
| Rome | Italy | FCO | LIRF | Leonardo da Vinci Airport |
| Saint Petersburg | Russia | LED | ULLI | Pulkovo Airport |
| San Francisco | United States | SFO | KSFO | San Francisco Airport |
| Santiago | Chile | SCL | SCEL | Comodoro Arturo Benitez Airport |
| São Paulo | Brazil | GRU | SBGR | Guarulhos Airport |
| Sarajevo | Bosnia and Herzegovina | SJJ | LQSA | Butmir Airport |
| Seattle | United States | SEA | KSEA | Sea-Tac Airport |
| Shanghai | China | PVG | ZSPD | Pudong Airport |
| Singapore | Singapore | SIN | WSSS | Changi Airport |
| Skopje | Republic of Macedonia | SKP | LWSK | Alexander the Great Airport |
| Sofia | Bulgaria | SOF | LBSF | Vrazhdebna Airport |
| Stockholm | Sweden | ARN | ESSA | Arlanda Airport |
| Stuttgart | Germany | STR | EDDS | Echterdingen Airport |
| Taipei | Taiwan | TPE | RCTP | Taoyuan Airport |
| Tehran | Iran | IKA | OIIE | Imam Khomeini Airport |
| Tel Aviv | Israel | TLV | LLBG | Ben Gurion Airport |
| Thessaloniki | Greece | SKG | LGTS | Macedonia Airport |
| Tirana | Albania | TIA | LATI | Nënë Tereza Airport |
| Tokyo | Japan | NRT | RJAA | Narita Airport |
| Toronto | Canada | YYZ | CYYZ | Pearson Airport |
| Tripoli | Libya | TIP | HLLT | Tripoli Airport |
| Tunis | Tunisia | TUN | DTTA | Carthage Airport |
| Turin | Italy | TRN | LIMF | Sandro Pertini Airport |
| Valencia | Spain | VLC | LEVC | Valencia Airport |
| Venice | Italy | VCE | LIPZ | Marco Polo Airport |
| Vienna | Austria | VIE | LOWW | Schwechat Airport |
| Warsaw | Poland | WAW | EPWA | Frederic Chopin Airport |
| Washington DC | United States | IAD | KIAD | Dulles Airport |
| Yaounde | Cameroon | NSI | FKYS | Yaounde Nsimalen Airport |
| Yerevan | Armenia | EVN | UDYZ | Zvartnots Airport |
| Zurich | Switzerland | ZRH | LSZH | Zurich Airport |
Question:
What is the ICAO of Douala city?
Answer:
FKKD