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:
| Number One(s) | Artist(s) | Song(s) — Weeks | Issue Years | Whole Weeks |
| --- | --- | --- | --- | --- |
| 3.0 | Rihanna | " We Found Love " — 6 | 2011 — 2012 | 11.0 |
| 3.0 | Rihanna | " Where Have You Been " — 1 | 2012 | 11.0 |
| 3.0 | Rihanna | " Diamonds " — 4 | 2012 | 11.0 |
| 3.0 | One Direction | " Save You Tonight " — 2 | 2012 | 4.0 |
| 3.0 | One Direction | " Tell Me A Lie " — 1 | 2012 | 4.0 |
| 3.0 | One Direction | " Another World " — 1 | 2012 | 4.0 |
| 2.0 | Madonna | " Give Me All Your Luving " — 1 | 2012 | 2.0 |
| 2.0 | Madonna | " Girl Gone Wild " — 1 | 2012 | 2.0 |
| 2.0 | Taylor Swift | " We Are Never Ever Getting Back Together " — 14 | 2012 | 23.0 |
| 2.0 | Taylor Swift | " I Knew You Were Trouble. " — 9 | 2012 — 2013 | 23.0 |
| 2.0 | Katy Perry | " Part Of Me " — 2 | 2012 | 5.0 |
| 2.0 | Katy Perry | " Roar " — 3 | 2013 | 5.0 |
| 2.0 | Miley Cyrus | " We Can't Stop " — 1 | 2013 | 3.0 |
Question:
What is the highest overall number one(s)?
Answer:
3.0