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:
| Episode # | Original Air Date (UK) | Episode Title | Director | Writer | Cast |
| --- | --- | --- | --- | --- | --- |
| 2-01 | 18 June 1979 | New Brooms | James Ormerod | Nick McCarty | Stafford Gordon , Roy Holder , Robin Davies |
| 2-02 | 25 June 1979 | Matrimony | James Ormerod | Nick McCarty | Stafford Gordon, Roy Holder, Robin Davies |
| 2-03 | 2 July 1979 | Pressures | James Ormerod | Nick McCarty | Stafford Gordon, Roy Holder, Robin Davies |
| 2-04 | 9 July 1979 | Leave Takers | James Ormerod | Nick McCarty | Stafford Gordon, Roy Holder, Robin Davies |
| 2-05 | 16 July 1979 | Repercussions | James Ormerod | Nick McCarty | Stafford Gordon, Roy Holder, Robin Davies |
Question:
What is the episode number for episode title Leave Takers?
Answer:
2-04