我有两个表说表A和表B

Table-A

id | Article Name |date
1  | ABC          | 25/2/2011
2  | xyz          | 26/2/2011

Table-B

id | Comment      | Article-id
1  | good         | 1
2  | nice article | 2
3  | Apreciable   | 1

所需的输出是

Table-C

id | Article Name | date       | NumberOfComments
1  | ABC          | 25/2/2011  | 2
2  | xyz          | 26/2/2011  | 1

请建议！