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 | Name | Moving from | Moving to | Fee |
| --- | --- | --- | --- | --- |
| 3 March 2009 | Silvestre Varela | Estrela da Amadora | Porto | Free |
| 14 April 2009 | Mario Rondón | Pontassolense | Nacional | Free |
| 18 April 2009 | Patric | São Caetano | Benfica | Undisclosed Fee |
| 23 April 2009 | Orlando Sá | Braga | Porto | Undisclosed Fee |
| 8 May 2009 | Kamani Hill | Wolfsburg | Vitória de Guimarães | Free |
| 16 May 2009 | Manuel José | Cluj | Paços de Ferreira | Free |
| 17 May 2009 | Jorge Gonçalves | Racing de Santander | Vitória de Guimarães | Loan |
| 22 May 2009 | Ramires | Cruzeiro | Benfica | € 7,500,000 |
| 26 May 2009 | Luis Aguiar | Braga | Dynamo Moscow | Undisclosed Fee |
| 26 May 2009 | Jonathan Bru | AEP Paphos | Académica de Coimbra | Free |
| 29 May 2009 | Peterson Peçanha | Thrasyvoulos | Marítimo | Free |
| 30 May 2009 | Maicon | Nacional | Porto | € 2,000,000 |
| 31 May 2009 | David Mendieta | 12 de Octubre | Vitória de Guimarães | Undisclosed Fee |
| 1 June 2009 | Boris Peškovič | Académica de Coimbra | Cluj | Free |
| 4 June 2009 | Álvaro Pereira | Cluj | Porto | € 4,500,000 |
| 6 June 2009 | Anselmo | Estrela da Amadora | Nacional | Free |
| 9 June 2009 | José Shaffer | Racing | Benfica | € 1,900,000 |
| 11 June 2009 | Nuno Piloto | Académica de Coimbra | Iraklis | Free |
| 11 June 2009 | Paulo Jorge | Braga | APOEL | Undisclosed Fee |
| 15 June 2009 | Gustavo Lazzaretti | Atlético Paranaense | Vitória de Guimarães | Loan |
| 16 June 2009 | Janício | Vitória de Setúbal | Anorthosis | Free |
| 17 June 2009 | Jorge Gonçalves | Racing de Santander | Vitória de Guimarães | Loan |
| 17 June 2009 | Beto | Leixões | Porto | Undisclosed Fee |
| 18 June 2009 | Angelo Peña | Estudiantes de Mérida | Braga | Undisclosed Fee |
| 19 June 2009 | Nenê | Nacional | Cagliari | € 4,500,000 |
| 21 June 2009 | Filipe Mendes | Estrela da Amadora | Paços de Ferreira | Free |
| 23 June 2009 | Kostas Katsouranis | Benfica | Panathinaikos | € 2,500,000 |
| 23 June 2009 | Grégory | Vitória de Guimarães | Sporting Gijón | Free |
| 23 June 2009 | João Tomás | Boavista | Rio Ave | Free |
| 23 June 2009 | Fernando Alexandre | Estrela da Amadora | Braga | Free |
| 25 June 2009 | Alex | Wolfsburg | Vitória de Guimarães | Free |
| 25 June 2009 | Ney Santos | Estrela da Amadora | Braga | Free |
| 26 June 2009 | Chico Silva | Paços de Ferreira | Oliveirense | Free |
| 26 June 2009 | Brayan Angulo | Leixões | Deportivo La Coruña | € 100,000 |
| 29 June 2009 | Javier Saviola | Real Madrid | Benfica | € 5,000,000 |
| 29 June 2009 | Miguel Lopes | Rio Ave | Porto | € 600,000 |
| 30 June 2009 | Lucho González | Porto | Marseille | € 18,000,000 |
| 1 July 2009 | Nejc Pečnik | Celje | Nacional | Undisclosed Fee |
| 1 July 2009 | Diogo Valente | Porto | Braga | Free |
| 1 July 2009 | Matías Fernández | Villarreal | Sporting CP | € 3,635,000 |
| 2 July 2009 | Rodrigo Possebon | Manchester United | Braga | Loan |
| 2 July 2009 | Tarik Sektioui | Porto | Ajman Club | Free |
| 3 July 2009 | Paulo Machado | Porto | Toulouse | € 3,500,000 |
| 3 July 2009 | Emídio Rafael | Portimonense | Académica de Coimbra | Free |
| 3 July 2009 | Bruno Amaro | Nacional | Académica de Coimbra | Loan |
| 4 July 2009 | Jean Paul Yontcha | Otopeni | Belenenses | Free |
| 4 July 2009 | Kevin Amuneke | Politehnica Timişoara | Porto | Free |
| 4 July 2009 | Stélvio | Braga | União de Leiria | Loan |
| 4 July 2009 | Diego Gaúcho | Gil Vicente | União de Leiria | Free |
| 6 July 2009 | Kiko | Paços de Ferreira | Gil Vicente | Loan |
| 6 July 2009 | Fernando Belluschi | Olympiacos | Porto | € 5,000,000 |
| 7 July 2009 | Luiz Carlos | União de Leiria | South China | Loan |
| 7 July 2009 | Ladji Keita | AEP Paphos | Vitória de Setúbal | Free |
| 7 July 2009 | Lisandro López | Porto | Lyon | € 24,000,000 |
| 8 July 2009 | Diogo Viana | Porto | VVV-Venlo | Loan |
| 8 July 2009 | Cristian Trombetta | Nueva Chicago | Leixões | Free |
| 8 July 2009 | Cauê | Santo André | Leixões | Free |
| 8 July 2009 | João Pedro | União de Leiria | Oliveirense | Free |
| 10 July 2009 | Filipe da Costa | Levski Sofia | Nacional | Free |
| 10 July 2009 | Paulão | Porto | Rio Ave | Free |
| 10 July 2009 | Saulo | Belenenses | Celta Vigo | Free |
| 11 July 2009 | Vukašin Dević | Red Star Belgrade | Belenenses | Free |
| 11 July 2009 | Vieirinha | Porto | PAOK | € 1,000,000 |
| 12 July 2009 | Alan | Comercial | Vitória de Setúbal | Free |
| 12 July 2009 | Romeu Ribeiro | Benfica | Trofense | Loan |
| 13 July 2009 | Fernando Ávalos | Belenenses | Nea Salamis | Free |
| 13 July 2009 | João Fajardo | Vitória de Guimarães | Panthrakikos | Free |
| 14 July 2009 | Vítor Vinha | Académica de Coimbra | Nea Salamis | Loan |
| 14 July 2009 | Daniel Candeias | Porto | Recreativo Huelva | Loan |
| 14 July 2009 | Ibson | Porto | Spartak Moscow | Undisclosed Fee |
| 14 July 2009 | Tininho | Belenenses | Steaua București | Free |
| 14 July 2009 | Saulo | Belenenses | Celta Vigo | Free |
| 14 July 2013 | Pedro Celestino | Sporting CP | Belenenses | Free |
| 15 July 2009 | Radamel Falcao | River Plate | Porto | € 3,930,000 |
| 15 July 2009 | Diego Valeri | Lanús | Porto | Undisclosed Fee |
| 17 July 2009 | Hélder Barbosa | Porto | Vitória de Setúbal | Loan |
| 17 July 2009 | Carlos Carneiro | Paços de Ferreira | Vizela | Free |
| 18 July 2009 | Wanderley | Cruzeiro | Marítimo | € 750,000 |
| 18 July 2009 | Aldo | Cruzeiro | Marítimo | Loan |
| 18 July 2009 | Ruca | Porto | Marítimo | Free |
| 18 July 2009 | Bruno Grassi | Marítimo | Tourizense | Loan |
| 18 July 2009 | Ruben Lima | Benfica | Vitória de Setúbal | Loan |
| 18 July 2009 | Leandro Lima | Porto | Cruzeiro | Loan |
| 18 July 2009 | Aly Cissokho | Porto | Lyon | € 15,000,000 |
| 19 July 2009 | Gonçalo | Nacional | Santa Clara | Loan |
| 19 July 2009 | Roberto Tucker | Quilmes | Leixões | Free |
| 24 July 2009 | Alberto | Rio Branco | União de Leiria | Free |
| 24 July 2009 | Hammes | Rio Branco | União de Leiria | Free |
| 20 July 2009 | Maykon | Belenenses | Paços de Ferreira | Free |
| 20 July 2009 | Pelé | Porto | Real Valladolid | Loan |
| 20 July 2009 | Barroca | Tourizense | Académica de Coimbra | Free |
| 21 July 2009 | Javi García | Real Madrid | Benfica | € 7,000,000 |
| 21 July 2009 | Sebastián Prediger | Colón | Porto | € 2,000,000 |
| 21 July 2009 | Weldon | Sport | Benfica | € 276,000 |
| 22 July 2009 | Przemysław Kaźmierczak | Porto | Vitória de Setúbal | Free |
| 23 July 2009 | Miguel Rosa | Benfica | Carregado | Loan |
| 23 July 2009 | Ivan Santos | Benfica | Carregado | Loan |
| 23 July 2009 | Abdou Guirassy | Ribeirão | Nacional | Free |
| 23 July 2009 | Felipe Caicedo | Manchester City | Sporting CP | Loan |
| 24 July 2009 | Vítor Castanheira | Braga | Chaves | Free |
| 24 July 2009 | Barge | Estoril | Belenenses | Free |
| 24 July 2009 | Maciel | União de Leiria | Trofense | Loan |
| 27 July 2009 | Milan Stepanov | Porto | Málaga | Loan |
| 29 July 2009 | Miguel Fidalgo | Nacional | Académica de Coimbra | Loan |
| 31 July 2009 | Júlio César | Belenenses | Benfica | € 500,000 |
| 8 August 2009 | Igor Pita | Nacional | Beira-Mar | Loan |
| 12 August 2009 | Hugo Santos | Naval | Operário | Free |
| 17 August 2009 | Kheireddine Zarabi | Belenenses | Vitória de Setúbal | Free |
| 17 August 2009 | Nelson Benítez | Porto | Leixões | Loan |
| 21 August 2009 | Beto | Recreativo Huelva | Belenenses | Free |
| 24 August 2009 | Adriano | Porto | Braga | Free |
| 26 August 2009 | Amaury Bischoff | Arsenal | Académica de Coimbra | Free |
| 26 August 2009 | Mehdi Kerrouche | Gazélec Ajaccio | Naval | Free |
| 28 August 2009 | Felipe Menezes | Goiás | Benfica | Undisclosed Fee |
| 29 August 2009 | Nuno Coelho | Porto | Académica de Coimbra | Free |
| 29 August 2009 | Bruno Vale | Porto | Belenenses | Loan |
| 29 August 2009 | Miguel Ángel Angulo | Valencia | Sporting CP | Free |
| 29 August 2009 | Tiago Luís | Santos | União de Leiria | Loan |
| 29 August 2009 | Wênio | Vitória de Guimarães | Leixões | Free |
| 29 August 2009 | Jorginho | Braga | Gaziantepspor | Free |
| 30 August 2009 | Roland Linz | Braga | Gaziantepspor | Undisclosed Fee |
| 30 August 2009 | Seydou Koné | Botoșani | União de Leiria | Free |
| 30 August 2009 | El Hadji Diouf | AEK Athens | Vitória de Setúbal | Loan |
| 31 August 2009 | Milan Purović | Sporting CP | Videoton | Loan |
| 31 August 2009 | Nuno Frechaut | Braga | Metz | Free |
| 31 August 2009 | Ivo Pinto | Porto | Vitória de Setúbal | Loan |
| 31 August 2009 | Patric | Benfica | Cruzeiro | Loan |
| 31 August 2009 | Tiago Pinto | Sporting CP | Braga | Free |
Question:
what team was silvestre varela a member of before moving to porto?
Answer:
Estrela da Amadora