Select the problem required from the table below.
| DATE | COMPOSER | STIPULATION |
|---|---|---|
| 2015-01-06 | Siers, Theodor & Wittwer, Heinrich | #4 |
| 2015-09-15 | Sydenham, Colin | #2 |
| 2015-11-23 | Matthews, Robin | #3 |
| 2016-04-12 | Siers, Theodor | #4 |
| 2017-01-30 | Knuppert, Hugo | #3 |
| 2017-03-06 | Larsen, Lars | #3 |