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:
| Image | Smith | Ashmolean | Foster | Hahland | Dinsmoor | Hofkes-Brukker | Harrison | Cooper | BM/Corbett |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 520.0 | BM520 | 21.0 | 5.0 | 9.0 | 01N | 17W | 05E | 01N | 01N |
| 521.0 | BM521 | 18.0 | 9.0 | 4.0 | 22W | 15W | 03N | 02N | 19W |
| 522.0 | BM522 | 16.0 | 6.0 | 4.0 | 19W | 09E | 06E | 04N | 18W |
| 523.0 | BM523 | 13.0 | 1.0 | 3.0 | 04N | 15W | 04E | 03N | 04N |
| 524.0 | BM524 | 19.0 | 2.0 | 11.0 | 05E | 11E | 07E | 10W | 21W |
| 525.0 | BM525 | 17.0 | 4.0 | 10.0 | 21W | 10E | 01N | 09W | 23W |
| 526.0 | BM526 | 23.0 | 7.0 | 2.0 | 20W | 14S | 23W | 11W | 17W |
| 527.0 | BM527 | 14.0 | 10.0 | 8.0 | 02N | 08E | 21W | 06W | 02N |
| 528.0 | BM528 | 15.0 | 11.0 | 6.0 | 03N | 18W | 22W | 07W | 03N |
| 529.0 | BM529 | 20.0 | 3.0 | 7.0 | 18W | 12S | 20W | 05W | 20W |
| 530.0 | BM530 | 22.0 | 8.0 | 1.0 | 23W | 13S | 02N | 08W | 22W |
| 531.0 | BM531 | 3.0 | 20.0 | 16.0 | 16W | 21W | 15W | 16E | 13S |
| 532.0 | BM532 | 1.0 | 12.0 | 15.0 | 06E | 04E | 09E | 22E | 08E |
| 533.0 | BM533 | 2.0 | 13.0 | 20.0 | 11E | 06E | 10E | 18E | 11E |
| 534.0 | BM534 | 8.0 | 17.0 | 19.0 | 07E | 22W | 16W | 17E | 10E |
| 535.0 | BM535 | 11.0 | 22.0 | 18.0 | 07E | 23W | 18W | 12W | 16W |
| 536.0 | BM536 | 6.0 | 15.0 | 17.0 | 10E | 20W | 11E | 19E | 07E |
| 537.0 | BM537 | 4.0 | 21.0 | 22.0 | 12E | 19W | 08E | 21E | 09E |
| 538.0 | BM538 | 12.0 | 19.0 | 21.0 | 08E | 05E | 17W | 23E | 12E |
| 539.0 | BM539 | 7.0 | 14.0 | 23.0 | 17W | 07E | 19W | 20E | 06E |
| 540.0 | BM540 | 5.0 | 16.0 | 12.0 | 13S | 01N | 12S | 13S | 05E |
| 541.0 | BM541 | 9.0 | 18.0 | 13.0 | 14S | 02N | 13S | 14S | 14S |
| 542.0 | BM542 | 10.0 | 23.0 | 14.0 | 15S | 03N | 14S | 15S | 15S |
Question:
What is the cooper with an Ashmolean less than 21, and hahland smaller than 4?
Answer:
03N