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:
|  | Name | Took Office | Left Office | Party |
| --- | --- | --- | --- | --- |
| 1 | Vasso Papandreou | 21 February 1996 | 19 February 1999 | Panhellenic Socialist Movement |
| 2 | Evangelos Venizelos | 19 February 1999 | 13 April 2000 | Panhellenic Socialist Movement |
| 3 | Nikos Christodoulakis | 13 April 2000 | 24 October 2001 | Panhellenic Socialist Movement |
| 4 | Akis Tsochatzopoulos | 24 October 2001 | 10 March 2004 | Panhellenic Socialist Movement |
| 5 | Dimitris Sioufas | 10 March 2004 | 19 September 2007 | New Democracy |
| 6 | Christos Folias | 19 September 2007 | 8 January 2009 | New Democracy |
| 7 | Kostis Hatzidakis | 8 January 2009 | 7 October 2009 | New Democracy |
Question:
how many greek ministers of development were there before 2010?
Answer:
7