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 | Writer | Director | Viewers(millions) | Original airdate |
| --- | --- | --- | --- | --- | --- |
| 7.0 | Episode 1 | Mike Bullen | Tom Hooper | 8.08 | 26September1999 |
| 8.0 | Episode 2 | Mike Bullen | Tom Hooper | 7.95 | 3October1999 |
| 9.0 | Episode 3 | Mike Bullen | Tom Vaughan | 7.96 | 10October1999 |
| 10.0 | Episode 4 | Mike Bullen | Tom Vaughan | 8.64 | 17October1999 |
| 11.0 | Episode 5 | Mike Bullen | Pete Travis | 9.14 | 24October1999 |
Question:
What's the writer of Episode 1?
Answer:
Mike Bullen