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:
| Episode number Production number | Title | Sydney | Melbourne | Brisbane | Adelaide | Perth | TOTAL | WEEKLY RANK | NIGHTLY RANK |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 01 1-01 | Welcome Aboard | 575000.0 | 611000.0 | 345000.0 | 231000.0 | 219000.0 | 1980000.0 | 1 | 1 |
| 02 1-02 | What Lies Beneath | 482000.0 | 492000.0 | 311000.0 | 194000.0 | 183000.0 | 1662000.0 | 7 | 1 |
| 03 1-03 | Ghost of Things Past | 604000.0 | 498000.0 | 302000.0 | 191000.0 | 204000.0 | 1799000.0 | 3 | 1 |
| 04 1-04 | Irukandji | 438000.0 | 503000.0 | 290000.0 | 197000.0 | 188000.0 | 1617000.0 | 7 | 1 |
| 05 1-05 | Under the Radar | 480000.0 | 512000.0 | 258000.0 | 177000.0 | 173000.0 | 1601000.0 | 7 | 1 |
| 06 1-06 | Precious Cargo | 464000.0 | 471000.0 | 281000.0 | 189000.0 | 176000.0 | 1581000.0 | 7 | 1 |
| 07 1-07 | Rescue Me | 448000.0 | 517000.0 | 268000.0 | 184000.0 | 169000.0 | 1586000.0 | 7 | 1 |
| 08 1-08 | Through the Storm | 452000.0 | 407000.0 | 273000.0 | 183000.0 | 150000.0 | 1466000.0 | 10 | 1 |
| 09 1-09 | Under the Hammer | 422000.0 | 404000.0 | 235000.0 | 144000.0 | 133000.0 | 1337000.0 | 18 | 2 |
| 10 1–10 | Damage Control | 369000.0 | 447000.0 | 237000.0 | 144000.0 | 143000.0 | 1341000.0 | 18 | 3 |
| 11 1–11 | Chinese Whispers | 341000.0 | 414000.0 | 244000.0 | 138000.0 | 129000.0 | 1265000.0 | 27 | 4 |
| 12 1–12 | Deep Water | 324000.0 | 399000.0 | 224000.0 | 114000.0 | 111000.0 | 1172000.0 | N/A | N/A |
Question:
what is the nightly rank where the episode number production number is 06 1-06?
Answer:
1.0