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 | Original name | Commissioned | Final decommission | Fate |
| --- | --- | --- | --- | --- |
| USSChiwawa(AO-68) | Samoset | 24 December 1942 | 6 May 1946 | converted to laker, 1961; still in service |
| USSEnoree(AO-69) | Sachem | 23 January 1943 | 22 October 1957 | scrapped, 1982 |
| USSEscalante(AO-70) | Shabonee | 30 January 1943 | 12 December 1945 | sunk, 1980 |
| USSNeshanic(AO-71) | Marquette | 13 March 1943 | 19 December 1945 | converted to laker; still in service |
| USSNiobrara(AO-72) | Citadel | 20 February 1943 | 12 November 1957 | Scrapped after 1982 |
Question:
When was the ship that had a fate of 'converted to laker, 1961; still in service' commissioned?
Answer:
24 December 1942