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 No. | Series No. | Title | Directed by | Written by | Viewers (millions) | Original airdate |
| --- | --- | --- | --- | --- | --- | --- |
| 23.0 | 1.0 | "Better the Devil" | Ben Bolt | Jack Lothian | 8.30 | 20 September 2009 |
| 24.0 | 2.0 | "Uneasy Lies the Head" | Ben Bolt | Ben Bolt | 8.03 | 27 September 2009 |
| 25.0 | 3.0 | "Perish Together as Fools" | Ben Bolt | Richard Stoneman | 8.71 | 4 October 2009 |
| 26.0 | 4.0 | "Driving Mr. McLynn" | Minkie Spiro | Richard Stoneman | 9.21 | 11 October 2009 |
| 27.0 | 5.0 | "The Departed" | Minkie Spiro | Jack Lothian | 9.49 | 18 October 2009 |
| 28.0 | 6.0 | "Midwife Crisis" | Ben Bolt | Ben Bolt | 9.23 | 25 October 2009 |
| 29.0 | 7.0 | "Do Not Disturb" | Ben Bolt | Richard Stoneman | 9.95 | 1 November 2009 |
Question:
Who directed episode number 23?
Answer:
Ben Bolt