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 |
| --- | --- | --- | --- | --- | --- | --- |
| 7.0 | 1.0 | "Old Dogs" | Ben Bolt | Dominic Minghella & Edana Minghella | 8.86 | 10November2005 |
| 8.0 | 2.0 | "In Loco" | Ben Bolt | Richard Stoneman | 8.19 | 17November2005 |
| 9.0 | 3.0 | "Blood is Thicker" | Ben Bolt | Jack Lothian | 9.26 | 24November2005 |
| 10.0 | 4.0 | "Aromatherapy" | Ben Bolt | Dominic Minghella & Edana Minghella | 8.99 | 1December2005 |
| 11.0 | 5.0 | "Always on My Mind" | Ben Bolt | Richard Stoneman | 8.56 | 8December2005 |
| 12.0 | 6.0 | "The Family Way" | Ben Bolt | Dominic Minghella & Edana Minghella | 8.83 | 15December2005 |
| 13.0 | 7.0 | "Out of the Woods" | Minkie Spiro | Jack Lothian | 8.11 | 22December2005 |
Question:
what is the lowest value under the column series no.?
Answer:
1.0