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:
| Number Range | Introduced | Builder | Engine | Weight (long tons) | Seats | Withdrawn | Notes |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | 1934 | Park Royal | 1 AEC of hp (kW) | long tons (t; short tons) | 69 | 1955 | Prototype railcar |
| 2–4 | 1934 | Park Royal | 2 AEC of hp (kW) | long tons (t; short tons) | 44 | 1954–1958 | Buffet fitted |
| 5–7 | 1935 | Gloucester RCW | 2 AEC of hp (kW) | long tons (t; short tons) | 70 | 1957–59 | Standard single car |
| 8–9, 13–16 | 1936 | Gloucester RCW | 2 AEC of hp (kW) | long tons (t; short tons) | 70 | 1957–60 | 9 withdrawn in 1946 after fire |
| 10–12 | 1936 | Gloucester RCW | 2 AEC of hp (kW) | long tons (t; short tons) | 63 | 1956–57 | Lavatory fitted |
| 17 | 1936 | Gloucester RCW | 2 AEC of hp (kW) | long tons (t; short tons) | None | 1959 | Parcels car, capacity long tons (t; short tons) |
| 19–33 | 1940–41 | GWR, Swindon | 2 AEC of hp (kW) | long tons (t; short tons) | 48 | 1960–62 | 33 rebuilt in 1954 to replace 37 |
Question:
 what's the engine where builder is gloucester rcw and withdrawn is 1959
Answer:
2 AEC of hp (kW)