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 | Type | Entered service | Water depth | Location |
| --- | --- | --- | --- | --- |
| Deepwater Navigator | ship | 2000 | ft (m) | Brazil |
| Discoverer 534 | ship | 1975/1991 | ft (m) | India |
| Discoverer Seven Seas | ship | 1976/1997 | ft (m) | India |
| GSF Celtic Sea | semi | 1982/1998 | ft (m) | Angola |
| Jack Bates | semi | 1986/1997 | ft (m) | Australia |
| Jim Cunningham | semi | 1982/1995 | ft (m) | Angola |
| M.G. Hulme, Jr. | semi | 1983/1996 | ft (m) | India |
| Sedco 702 | semi | 1973/2007 | ft (m) | Nigeria |
| Sedco 706 | semi | 1976/1994/ 2008 | ft (m) | Brazil |
| Sedco 707 | semi | 1976/1997 | ft (m) | Brazil |
| Sedco 709 | semi | 1977/1999 | ft (m) | Malaysia |
| Sedco 710 | semi | 1983 | ft (m) | Brazil |
| Sovereign Explorer | semi | 1984 | ft (m) | Brazil |
| Transocean Marianas | semi | 1979/1998 | ft (m) | NIgeria |
| Transocean Rather | semi | 1988 | ft (m) | Angola |
| Transocean Richardson | semi | 1988 | ft (m) | Angola |
Question:
What type entered service in 2000?
Answer:
ship