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:
| No. in series | No. in season | Title | Directedby | Writtenby | Originalairdate | Production code | U.S. viewers (million) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 54.0 | 1.0 | " Sovereign " | Paris Barclay | Kurt Sutter | September11,2012 | 5WAB01 | 5.37 |
| 55.0 | 2.0 | "Authority Vested" | Peter Weller | Regina Corrado | September18,2012 | 5WAB02 | 4.17 |
| 56.0 | 3.0 | "Laying Pipe" | Adam Arkin | Kem Nunn & Liz Sagal & Kurt Sutter | September25,2012 | 5WAB03 | 3.80 |
| 57.0 | 4.0 | "Stolen Huffy" | Paris Barclay | Chris Collins | October2,2012 | 5WAB04 | 4.60 |
| 58.0 | 5.0 | "Orca Shrugged" | Gwyneth Horder-Payton | Regina Corrado & Kurt Sutter | October9,2012 | 5WAB05 | 4.34 |
| 59.0 | 6.0 | "Small World" | Adam Arkin | Roberto Patino | October16,2012 | 5WAB06 | 4.03 |
| 60.0 | 7.0 | "Toad's Wild Ride" | Peter Weller | Kurt Sutter & Chris Collins | October23,2012 | 5WAB07 | 4.30 |
| 61.0 | 8.0 | "Ablation" | Karen Gaviola | Mike Daniels | October30,2012 | 5WAB08 | 4.58 |
| 62.0 | 9.0 | "Andare Pescare" | Billy Gierhart | Liz Sagal & Kurt Sutter | November6,2012 | 5WAB09 | 3.96 |
| 63.0 | 10.0 | "Crucifixed" | Guy Ferland | Kem Nunn | November13,2012 | 5WAB10 | 4.58 |
| 64.0 | 11.0 | "To Thine Own Self" | Paris Barclay | Mike Daniels & John Barcheski & Kurt Sutter | November20,2012 | 5WAB11 | 4.23 |
| 65.0 | 12.0 | "Darthy" | Peter Weller | Chris Collins & Kurt Sutter | November27,2012 | 5WAB12 | 4.25 |
Question:
What episode is titled "Authority Vested"?
Answer:
2.0