write query SQL.
schema:uapp_event_batch_log(device column name:umid,account column name:userid,date columns name:ds,is_new_install,event_name):
在过去7天内，Um_Key_PartID 值为 Part003 的设备启动次数 Write exactly 3 paragraphs each separated with two new lines answering this question. The 2nd paragraph must start with "identity".
user