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:
| Field | Geological Trend | Reserves | Discovery | Operator(s) |
| --- | --- | --- | --- | --- |
| Samah field | Western | Gof | NA | WOC |
| Beida field | Western | Gof | NA | NOC |
| Dahra-Hofra field | Western | Gof | NA | WOC |
| Raguba field | Western | Gof | 1961 | SOC |
| Bahi field | Western | NA | 1958 | NOC |
| Waha field | Northcentral | Gof | 1961 | ConocoPhillips |
| Nasser field | Northcentral | 2.5 Bbbl | 1956 | SOC |
| Hateiba gas field | Northcentral | NA | 1960 | SOC |
| Sarir field | Eastern | 12.0 Bbbl | 1961 | Agoco |
| Messla field | Eastern | Gof | 1984 | Agoco |
| Gialo field | Eastern | Gof | NA | WOC |
| Bu Attifel field | Eastern | Gof | 1968 | Agip |
| Intisar field | Eastern | Gof | NA | ZOC |
| Nafoora-Augila field | Eastern | Gof | 1965 | Agoco |
| Amal field | Eastern | Gof | 1959 | PetroCanada |
| An-Naga field | Western | 100 Bbbl | 1998 | Lundin |
Question:
Which Field has a Discovery of na, and an Operator(s) of woc, and a Geological Trend of western
Answer:
Samah field, Dahra-Hofra field