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 | Builder | Laid down | Launched | Completed |
| --- | --- | --- | --- | --- |
| HMSMarathon | Fairfields, Govan | 10 August 1887 | 23 August 1888 | 1889.0 |
| HMSMagicienne | Fairfields, Govan | 10 August 1887 | 12 May 1888 | 1889.0 |
| HMSMedea | Chatham | 25 April 1887 | 9 June 1888 | 1889.0 |
| HMSMelpomene | Portsmouth | 10 October 1887 | 20 September 1888 | 1890.0 |
| HMSMedusa | Chatham | 25 August 1887 | 11 August 1888 | 1889.0 |
Question:
When did chatham complete the Hmsmedusa?
Answer:
1889.0