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:
| Location | Aircraft | Tail number | Aircraft damage | Fatalities |
| --- | --- | --- | --- | --- |
| Quelimane | Lockheed L-14 | CR-AAV | W/O | Unknown |
| Lagoa Páti | Ju-52 | Unknown | W/O | Unknown |
| Lourenço Marques | F27-200 | CR-AIB | W/O | 3/3 |
| Quelimane | Boeing 737-200 | C9-BAB | W/O | 0/110 |
| Lichinga | Boeing 737-200 | C9-BAD | W/O | 0/108 |
| Off Maputo | Boeing 747SP | ZS-SPF | W/O | 0/66 |
Question:
How many fatalities occurred for an unknown tail number?
Answer:
Unknown