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:
| Date | City | Opponent | Results | Scorers | Type of game |
| --- | --- | --- | --- | --- | --- |
| March 3, 2010 | Algiers, Algeria | Algeria | 3:0 (1:0) | Pantelić (16') Kuzmanović (55') Tošić (65') | Friendly |
| April 7, 2010 | Osaka, Japan | Japan | 3:0 (2:0) | Mrđa (15', 23') Tomić (60') | Friendly |
| May 29, 2010 | Klagenfurt, Austria | New Zealand | 0:1 (0:1) | Smeltz (22') | Friendly |
| June 2, 2010 | Kufstein, Austria | Poland | 0:0 (0:0) |  | Friendly |
| June 5, 2010 | Belgrade, Serbia | Cameroon | 4:3 (4:2) | Webo (5', 20') Krasić (16') Stanković (25') Milijaš (44') Pantelić (45') Choupo-Moting (67') | Friendly |
| June 13, 2010 | Pretoria, South Africa | Ghana | 0:1 (0:0) | Gyan (85') | WC 2010 |
| June 18, 2010 | Port Elizabeth, South Africa | Germany | 1:0 (1:0) | Jovanović (38') | WC 2010 |
| June 23, 2010 | Nelspruit, South Africa | Australia | 1:2 (0:0) | Cahill (69') Holman (73') Pantelić (84') | WC 2010 |
| August 11, 2010 | Belgrade, Serbia | Greece | 0:1 (0:0) | Salpingidis (45') | Friendly |
| September 3, 2010 | Tórshavn, Faroe Islands | Faroe Islands | 3:0 (2:0) | Lazović (14') Stanković (18') Žigić (90+1') | Euro 2012 Q |
| September 7, 2010 | Belgrade, Serbia | Slovenia | 1:1 (0:0) | Novaković (63') Žigić (86') | Euro 2012 Q |
| October 8, 2010 | Belgrade, Serbia | Estonia | 1:3 (0:0) | Žigić (60') Kink (63') Vassiljev (73') Luković (90+1') (o.g) | Euro 2012 Q |
| October 12, 2010 | Genoa, Italy | Italy | abandoned 0:3 | Game abandoned after six minutes on account of crowd disturbances in the stadium | Euro 2012 Q |
| November 17, 2010 | Sofia, Bulgaria | Bulgaria | 1:0 (0:0) | Žigić (80') | Friendly |
Question:
what is the number of times belgrade is listed as the city?
Answer:
4