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 | Date | Defending forces | Brigade | Population |
| --- | --- | --- | --- | --- |
| 'Arab al-'Arida | n/a | n/a | n/a | 330 inc 180 Jews |
| 'Arab al-Bawati | n/a | n/a | n/a | 520 |
| Al-Bira | n/a | n/a | n/a | 260 |
| Al-Hamra ('Arab al-Hamra) | n/a | n/a | n/a | 730 |
| Jabbul | 7 June 1948 | n/a | Barak | 420 inc. 170 Jews (Beyt Yosef) |
| Kafra | n/a | n/a | n/a | 430 |
| Al-Khunayzir | n/a | n/a | n/a | 260 |
| Masil al-Jil | n/a | n/a | n/a | 100 |
| Al-Murassas | n/a | n/a | n/a | 460 |
| Tall al-Shawk | n/a | n/a | n/a | 120 |
| Umm 'Ajra | n/a | n/a | n/a | 260 |
| Zab'a | n/a | n/a | n/a | 170 |
Question:
What is the brigade when Al-Bira is the name?
Answer:
n/a