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:
| Species | Common Name | Protein Name | Accession Number | NT Length | NT Identity | AA Length | AA Identity | E-Value |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Homo sapiens | Human | C11orf73 | NM_016401 | 1187 bp | 100% | 197 aa | 100% | 0 |
| Bon taurus | Cow | LOC504867 | NP_001029398 | 996 bp | 73.60% | 197 aa | 98% | 5.30E-84 |
| Mus musculus | Mouse | l7Rn6 | NP_080580 | 1045 bp | 72.90% | 197 aa | 97% | 4.80E-83 |
| Gallus gallus | Chicken | LOC427034 | N/A | 851 bp | 56.20% | 197 aa | 88.3% | 5.60E-76 |
| Taeniopygia guttata | Zebra Finch | LOC100190155 | ACH44077 | 997 bp | 61.60% | 997 aa | 87.80% | 1.20E-75 |
| Xenopus laevis | Frog | MGC80709 | NP_001087012 | 2037 bp | 36.50% | 197 aa | 86.80% | 1.70E-75 |
| Oncorhynchus mykiss | Rainbow Trout | CK073 | NP_001158574 | 940 bp | 52.20% | 197 aa | 75.10% | 2.70E-66 |
| Tetradon nigroviridis | Tetradon | unnamed protein product | CAF89643 | N/A | N/A | 197 aa | 70.90% | 1.40E-61 |
| Trichoplax adhaerens | Trichoplax adhaerens | TRIADDRAFT_19969 | XP_002108733 | 600 bp | 33.10% | 199 aa | 52.30% | 2.00E-47 |
| Culex quinquefasciatus | Mosquito | conserved hypothetical protein | XP_001843282 | 594 bp | 30.70% | 197 aa | 49.30% | 2.50E-41 |
| Drosophilia melanogaster | Fly | CG13926 | NP_647633 | 594 bp | 31.50% | 197 aa | 48.50% | 4.50E-39 |
| Laccaria bicolor | Mushroom | predicted protein | XP_001878996 | 696 bp | 36.40% | 202 aa | 35.20% | 8.30E-24 |
Question:
What is the nt identity when the species is drosophilia melanogaster?
Answer:
31.50%