| 1 | A | B | C | D | E | F | G | H | I | J | K |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | singles |  |  |  |  |  |  |  |  |  |  |
| 3 | year | single | peak positions |  |  |  |  |  |  |  | album |
| 4 |  |  | us aaa | us alt | us rock | bel | bel | can rock | mex air | ned |  |
| 5 | 2008 | taking the farm | - | - | - | - | - | - | - | - | wagonwheel blues |
| 6 | 2011 | baby missiles | - | - | - | - | - | - | - | - | slave ambient |
| 7 |  | come to the city | - | - | - | - | - | - | - | - |  |
| 8 | 2012 | best night | - | - | - | - | - | - | - | - |  |
| 9 | 2013 | red eyes | - | - | - | 37 | - | - | 48 | - | lost in the dream |
| 10 | 2014 | under the pressure | 19 | - | - | - | - | - | - | - |  |
| 11 |  | burning | - | - | - | - | - | - | - | - |  |
| 12 |  | eyes to the wind | - | - | - | - | - | - | - | - |  |
| 13 | 2015 | an ocean in between the waves | - | - | - | - | - | - | - | - |  |
| 14 | 2017 | thinking of a place | - | - | - | 37 | - | - | 23 | - | a deeper understanding |
| 15 |  | holding on | 3 | 35 | - | - | - | 44 | - | - |  |
| 16 |  | strangest thing | - | - | - | - | - | - | - | - |  |
| 17 |  | pain | 1 | - | 49 | - | - | 46 | - | - |  |
| 18 |  | up all night | - | - | - | - | - | - | - | - |  |
| 19 | 2018 | nothing to find | - | - | - | - | - | - | - | - |  |
| 20 | "-" denotes a recording that did not chart or was not released in that territory |  |  |  |  |  |  |  |  |  |  |

Question: in 2007, which album was relased by the war on drugs and had a song called "holding on"?
Answer: a deeper understanding