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:
| Original number | UIC number | Name | Constructer | constructor number | Year | Withdrawn | Kilometers worked |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2001 T | 352-001-2 | "Virgen del Rosario" | Krauss-Maffei | 19094.0 | 1964.0 | 22/04/2002 | 7443836.0 |
| 2002 T | 352-002-0 | "Virgen Peregrina" | Krauss-Maffei | 19095.0 | 1964.0 | 27/04/1993 | 5416678.0 |
| 2003 T | 352-003-8 | "Virgen del Perpetuo Socorro" | Krauss-Maffei | 19096.0 | 1964.0 | 8/06/2001 | 7253459.0 |
| 2004 T | 352-004-6 | "Virgen del Camino" | Krauss-Maffei | 19097.0 | 1964.0 | 21/12/1997 | 6262292.0 |
| 2005 T | 352-005-3 | "Virgen del Carmen" | Krauss-Maffei | 19098.0 | 1964.0 | 28/06/1998 | 6873765.0 |
| 2006 T | 352-006-1 | "Virgen Santa Maria" | Babcock & Wilcox | 888.0 | 1965.0 | 9/07/1999 | 6846166.0 |
| 2007 T | 352-007-9 | "Virgen de la Almudena" | Babcock & Wilcox | 889.0 | 1965.0 | 27/02/1993 | 5543765.0 |
| 2008 T | 352-008-7 | "Virgen de la Soledad" | Babcock & Wilcox | 890.0 | 1965.0 | 19/05/2002 | 7144582.0 |
| 2009 T | 352-009-5 | "Virgen de Gracia" | Babcock & Wilcox | 891.0 | 1965.0 | 20/05/2002 | 7405093.0 |
Question:
When "virgen del perpetuo socorro" is the name what is the highest year?
Answer:
1964.0