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:
| Team | Outgoing manager | Manner of departure | Date of vacancy | Position in table | Replaced by | Date of appointment |
| --- | --- | --- | --- | --- | --- | --- |
| Santos | Adílson Batista | Sacked | February 27 | Pre-season | Muricy Ramalho | April 8 |
| Fluminense | Muricy Ramalho | Resigned | March 13 | Pre-season | Abel Braga | June 8 |
| Ceará | Dimas Filgueiras | Contract ended | March 31 | Pre-season | Vágner Mancini | April 1 |
| Atlético Goianiense | Renê Simões | Sacked | April 1 | Pre-season | Paulo César Gusmão | April 3 |
| Atlético Paranaense | Geninho | Sacked | April 4 | Pre-season | Adílson Batista | April 5 |
| Internacional | Celso Roth | Sacked | April 8 | Pre-season | Falcão | April 14 |
| Bahia | Vágner Benazzi | Sacked | April 10 | Pre-season | Renê Simões | April 14 |
| Avaí | Silas | Left to sign with Al-Arabi | June 8 | 20th | Alexandre Gallo | June 14 |
| Cruzeiro | Cuca | Sacked | June 19 | 18th | Joel Santana | June 20 |
| Grêmio | Renato Gaúcho | Sacked | June 30 | 12th | Júlio Camargo | July 2 |
| Atlético Paranaense | Adílson Batista | Sacked | July 2 | 20th | Renato Gaúcho | July 4 |
| São Paulo | Paulo César Carpegiani | Sacked | July 7 | 3rd | Adílson Batista | July 16 |
| América (MG) | Mauro Fernandes | Sacked | July 11 | 18th | Antônio Lopes | July 12 |
| Internacional | Falcão | Sacked | July 18 | 8th | Dorival Júnior | August 12 |
| Atlético Goianiense | Paulo César Gusmão | Personal problems | July 21 | 17th | Hélio dos Anjos | August 12 |
| América (MG) | Antônio Lopes | Resigned | August 1 | 20th | Givanildo Oliveira | August 2 |
| Grêmio | Júlio Camargo | Sacked | August 4 | 15th | Celso Roth | August 4 |
| Atlético Mineiro | Dorival Júnior | Sacked | August 7 | 14th | Cuca | August 8 |
| Avaí | Alexandre Gallo | Sacked | August 18 | 19th | Toninho Cecílio | August 22 |
| Vasco da Gama | Ricardo Gomes | Health problems (temporarily) | August 28 | 4th | Cristóvão Borges ( caretaker ) | August 29 |
| Atlético Paranaense | Renato Gaúcho | Resigned | September 1 | 19th | Antônio Lopes | September 1 |
| Cruzeiro | Joel Santana | Sacked | September 2 | 11th | Emerson Ávila | September 2 |
| Bahia | René Simões | Sacked | September 2 | 16th | Joel Santana | September 4 |
| Ceará | Vágner Mancini | Sacked | September 11 | 15th | Estevam Soares | September 14 |
| Cruzeiro | Emerson Ávila | Sacked | September 26 | 16th | Vágner Mancini | September 26 |
| São Paulo | Adílson Batista | Sacked | October 16 | 6th | Émerson Leão | October 24 |
| Ceará | Estevam Soares | Sacked | October 23 | 17th | Dimas Filgueiras | October 24 |
| Avaí | Toninho Cecílio | Sacked | November 14 | 20th | Edson Neguinho ( caretaker ) | November 14 |
Question:
How many times did Silas leave as a team manager?
Answer:
1.0