mongo 查询

[makuta]

{
"_id" : ObjectId("4ec0b2a4ecb31ca1968000fd"),
"id" : 1001,
"singer" : "刘德华",
"someReview" : [{
"user" : "dong",
"text" : "不好听"
}, {
"user" : "wan",
"text" : "打酱油"
}, {
"user" : "wan",
"text" : "真的挺不错，一直很喜欢刘德华"
}]
}

只希望查出的结果是

{
"user" : "wan",
"text" : "打酱油"
}
请问该怎么查？？谢谢