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:
| Name | Dates | Grt | Propulsion | Port | Notes |
| --- | --- | --- | --- | --- | --- |
| Arataki  i | 1948-84 | 74 | 320 bhp diesel, 10 knots (19 km/h) |  | US Navy harbour tug |
| Arataki  ii | 1984-99 | 143 | 1100 bhp diesel, 12 knots (22 km/h) | Timaru | harbour tug |
| Hipi | 1942-56 | 39 | 100 bhp diesel, 8 knots (15 km/h) | Auckland | Towing lighters |
| Kahanui | 1942-45 | 207 | 800 ihp SR TE coal, 11 knots (20 km/h) | Wanganui | harbour tug |
| Manawanui  i | 1948-52 | 74 | 329 bhp diesel, 10 knots (19 km/h) | Auckland | US Navy harbour tug |
| Meola | 1961- | 19 | 76 bhp diesel, 9 knots (17 km/h) | Auckland | work boat |
| Toia | 1926-49 | 423 | 1250 ihp SR TE coal, 12 knots (22 km/h) | Wellington | World War I Saint class naval tug, a notable salvage tug |
Question:
which is the only ship used as a work boat?
Answer:
Meola