SELECT 
	terminal_id 
FROM bg_person_answer 

WHERE   
	( question_id = 1 AND answer_id = 1 ) 

AND

	( question_id = 2 AND answer_id = 5 )



mysql> select * from bg_person_answer where terminal_id = 2;
+-------------+-------------+-----------+----------+---------------------+
| terminal_id | question_id | answer_id | freetext | date_time           |
+-------------+-------------+-----------+----------+---------------------+
|           2 |           1 |         1 |          | 2006-11-15 13:25:08 |
|           2 |           2 |         5 |          | 2006-11-15 13:25:08 |
+-------------+-------------+-----------+----------+---------------------+
2 rows in set (0.00 sec)

mysql>