- ชั่วโมง UTC ใดของวันที่ได้รับคำตอบที่ได้รับการยอมรับมากที่สุดไม่จำเป็นต้องใช้ตารางทั้งหมด
. Which UTC hour of the day gets the most accepted answersIt is not neccessary to use all the tables.
 PendingFlags:  Id [ number]  FlagTypeId [ number]  PostId [ number]  CreationDate [ time]  CloseReasonTypeId [ number]  CloseAsOffTopicReasonTypeId [ number]  DuplicateOfQuestionId [ number]  BelongsOnBaseHostAddress [ text] 
SELECT TIME_TO_STR(CreationDate, '%I'), COUNT(*) FROM Posts WHERE PostTypeId = 2 AND Id IN (SELECT AcceptedAnswerId FROM Posts WHERE NOT AcceptedAnswerId IS NULL) GROUP BY TIME_TO_STR(CreationDate, '%I') ORDER BY 2 DESC