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 manage | Manner | Date of vacancy | Incoming manager | Date of appointment |
| --- | --- | --- | --- | --- | --- |
| Académica de Coimbra | Artur Jorge | Resigned | 28 August 2003 | Vítor Oliveira | 28 August 2003 |
| Vitória de Guimarães | Augusto Inácio | Sacked | 8 December 2003 | Jorge Jesus | 8 December 2003 |
| Paços de Ferreira | José Gomes | Mutual Consent | 21 October 2003 | José Mota | 22 October 2003 |
| Estrela da Amadora | João Alves | Sacked | 3 November 2003 | Miguel Quaresma | 3 November 2003 |
| Gil Vicente | Mário Reis | Sacked | 11 November 2003 | Luís Campos | 25 November 2003 |
| Belenenses | Manuel José | Resigned | 22 November 2003 | Bogićević | 23 November 2003 |
| Belenenses | Bogićević | Sacked | 19 January 2004 | Augusto Inácio | 20 January 2004 |
| Académica de Coimbra | Vítor Oliveira | Sacked | 26 January 2004 | João Pereira | 27 January 2004 |
| Boavista | Erwin Sánchez | Sacked | 8 March 2004 | Jaime Pacheco | 8 March 2004 |
Question:
What was the day of vacancy for vitória de guimarães?
Answer:
8 December 2003