Question: When was the makkah royal clock tower hotel built?
qaPairs: question: When was the makkah royal clock tower hotel started being built?
answer: 2004
question: When was the makkah royal clock tower hotel ended being built?
answer: 2012
qaPairs: question: When was the contruction of the makkah royal clock tower hotel started?
answer: 2004
question: When was the contruction of the makkah royal clock tower hotel finished?
answer: 2012