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:
| Genus/Species | Gene Name | Accession number | Sequence Length | Sequence similarity |
| --- | --- | --- | --- | --- |
| Bartonella henselae | Hypothetical protein | BX897699.1 | 2805nt/934aa | 100.0 |
| Bartonella quintana | Hypothetical protein | BX897700.1 | 2805nt/934aa | 91.0 |
| Bartonella grahamii | Transcription regulator | CP001562.1 | 2799nt/932aa | 87.0 |
| Bartonella tribocorum | Alanyl-tRNA synthetase | AM260525.1 | 2799nt/932aa | 87.0 |
| Methylobacterium nodulans | Hypothetical protein | YP_002500318.1 | 2820nt/939aa | 53.0 |
| Nitrobacter hamburgensis | Double transmembrane region like | YP_578448.1 | 2817nt/938aa | 53.0 |
| Hyphomicrobium denitrificans | Conserved hypothetical protein | ZP_05374729.1 | 2973nt/990aa | 53.0 |
| Rhodopseudomonas palustris | Double transmembrane region like | YP_568432.1 | 2826nt/941aa | 54.0 |
| Hoeflea phototrophica | Double transmembrane region like | YP_002289983.1 | 1832nt/943aa | 55.0 |
Question:
Name the accession number for sequence similarity being 54
Answer:
YP_568432.1