how many teams won by at least three points?
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col : home team | score | visiting team | location | venue | door | surface row 1 : kazakhstan | 3 – 1 | uzbekistan | astana | national tennis centre | indoor | clay row 2 : germany | 3 – 2 | australia | hamburg | rothenbaum stadium | outdoor | clay row 3 : japan | 2 – 3 | israel | tokyo | ariake coliseum | outdoor | hard row 4 : belgium | 5 – 0 | sweden | brussels | royal primerose tennis club | outdoor | clay row 5 : canada | 4 – 1 | south africa | montreal | uniprix stadium | outdoor | hard row 6 : brazil | 5 – 0 | russia | são josé do rio preto | harmonia tênis clube | outdoor | clay row 7 : italy | 4 – 1 | chile | napoli | tennis club napoli | outdoor | clay row 8 : netherlands | 2 – 3 | switzerland | amsterdam | westergasfabriek | outdoor | clay
how many teams won by at least three points?
Home team Score Visiting team Location Venue Door Surface
Kazakhstan 3 – 1 Uzbekistan Astana National Tennis Centre Indoor Clay
Germany 3 – 2 Australia Hamburg Rothenbaum Stadium Outdoor Clay
Japan 2 – 3 Israel Tokyo Ariake Coliseum Outdoor Hard
Belgium 5 – 0 Sweden Brussels Royal Primerose Tennis Club Outdoor Clay
Canada 4 – 1 South Africa Montreal Uniprix Stadium Outdoor Hard
Brazil 5 – 0 Russia São José do Rio Preto Harmonia Tênis Clube Outdoor Clay
Italy 4 – 1 Chile Napoli Tennis Club Napoli Outdoor Clay
Netherlands 2 – 3 Switzerland Amsterdam Westergasfabriek Outdoor Clay
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