| 1 | A | B | C | D | E | F | G | H | I | J | K | L | M |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | as lead artist |  |  |  |  |  |  |  |  |  |  |  |  |
| 3 | year | title | peak chart positions |  |  |  |  |  |  |  |  | certifications | album |
| 4 |  |  | us | aus | aut | can | ger | nld | nz | swi | uk |  |  |
| 5 | 2015 | bills | 79 | 1 | 7 | 71 | 15 | 14 | 6 | 44 | 2 | riaa: gold aria: 2× platinum bpi: platinum rmnz: gold | bills |
| 6 |  | whip it! | - | 11 | 72 | - | 23 | - | - | - | - | aria: 2× platinum | tba |
| 7 |  | ain't too cool | - | - | - | - | - | - | - | - | - | none |  |
| 8 | 2016 | h.o.e | - | - | - | - | - | - | - | - | - | none |  |
| 9 | 2017 | donald | - | - | - | - | - | - | - | - | - | none |  |
| 10 | 2018 | who's up? | - | - | - | - | - | - | - | - | - | none |  |
| 11 | "-" denotes a single that did not chart or was not released in that territory |  |  |  |  |  |  |  |  |  |  |  |  |

Question: in 2015, what is the peak chart position for lunchmoney lewis released debut single "bills" on the aria charts?
Answer: 1