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:
| Dates | Tournament | Host country | Winner | Notes |
| --- | --- | --- | --- | --- |
| 14–17 Jan | Alfred Dunhill South African PGA Championship | South Africa | Ernie Els |  |
| 21–24 Jan | Mercedes-Benz - Vodacom South African Open | South Africa | David Frost |  |
| 28–31 Jan | Heineken Classic | Australia | Jarrod Moseley |  |
| 4–7 Feb | Benson and Hedges Malaysian Open | Malaysia | Gerry Norquist | New tournament |
| 11–14 Feb | Dubai Desert Classic | United Arab Emirates | David Howell |  |
| 17–20 Feb | Qatar Masters | Qatar | Paul Lawrie |  |
| 24–28 Feb | WGC-Andersen Consulting Match Play Championship | United States | Jeff Maggert |  |
| 4–7 Mar | Algarve Portuguese Open | Portugal | Van Phillips |  |
| 11–14 Mar | Turespana Masters - Open Andalucia | Spain | Miguel Ángel Jiménez |  |
| 25–28 Mar | Madeira Island Open | Portugal | Pedro Linhart |  |
| 8–11 Apr | Masters Tournament | United States | José María Olazábal | Unofficial money |
| 15–18 Apr | Estoril Open | Portugal | Jean-François Remésy | New tournament |
| 22–25 Apr | Peugeot Open de Espana | Spain | Jarmo Sandelin |  |
| 29 Apr–2 May | Fiat and Fila Italian Open | Italy | Dean Robertson |  |
| 6–9 May | Novotel Perrier Open de France | France | Retief Goosen |  |
| 13–16 May | Benson and Hedges International Open | England | Colin Montgomerie |  |
| 21–24 May | Deutsche Bank - SAP Open TPC of Europe | Germany | Tiger Woods |  |
| 28–31 May | Volvo PGA Championship | England | Colin Montgomerie |  |
| 3–6 Jun | Compass Group English Open | England | Darren Clarke |  |
| 10–13 Jun | German Open | Germany | Jarmo Sandelin |  |
| 17–20 Jun | Moroccan Open | Morocco | Miguel Ángel Martín |  |
| 17–20 Jun | U.S. Open | United States | Payne Stewart |  |
| 24–27 Jun | Compaq European Grand Prix | England | David Park |  |
| 1–4 Jul | Murphy's Irish Open | Republic of Ireland | Sergio García |  |
| 8–11 Jul | Standard Life Loch Lomond | Scotland | Colin Montgomerie |  |
| 15–18 Jul | The Open Championship | Scotland | Paul Lawrie |  |
| 22–25 Jul | TNT Dutch Open | Netherlands | Lee Westwood |  |
| 30 Jul–2 Aug | Smurfit European Open | Republic of Ireland | Lee Westwood |  |
| 5–8 Aug | Volvo Scandinavian Masters | Sweden | Colin Montgomerie |  |
| 12–15 Aug | U.S. PGA Championship | United States | Tiger Woods |  |
| 12–15 Aug | West of Ireland Golf Classic | Republic of Ireland | Costantino Rocca | New tournament.\nAlternate to U.S. PGA |
| 19–22 Aug | BMW International Open | Germany | Colin Montgomerie |  |
| 26–29 Aug | WGC-NEC Invitational | United States | Tiger Woods |  |
| 27–30 Aug | Scottish PGA Championship | Scotland | Warren Bennett | New tournament.\nAlternate to WGC |
| 2–5 Sept | Canon European Masters | Switzerland | Lee Westwood |  |
| 9–12 Sept | Victor Chandler British Masters | England | Bob May |  |
| 16–19 Sept | Trophée Lancôme | France | Pierre Fulke |  |
| 24–27 Sept | Ryder Cup | United States | United States | Team event |
| 30 Sept–3 Oct | Linde German Masters | Germany | Sergio García |  |
| 7–10 Oct | Alfred Dunhill Cup | Scotland | Spain | Team event.\nUnofficial money |
| 14–17 Oct | Cisco World Match Play Championship | England | Colin Montgomerie | Unofficial money |
| 14–17 Oct | Sarazen World Open | Spain | Thomas Bjørn | New tournament |
| 21–24 Oct | Belgacom Open | Belgium | Robert Karlsson |  |
| 28–31 Oct | Volvo Masters | Spain | Miguel Ángel Jiménez |  |
| 4–7 Nov | WGC-American Express Championship | Spain | Tiger Woods |  |
| 18–21 Nov | World Cup of Golf | Malaysia | United States | Team event.\nUnofficial money |
Question:
how long did the estoril open last?
Answer:
3 days