Question: When was the makkah royal clock tower hotel built?
Disambiguated questions and answers: question: When was the makkah royal clock tower hotel started being built?
When was the makkah royal clock tower hotel ended being built?
answer: 2004
2012
question: When was the contruction of the makkah royal clock tower hotel started?
When was the contruction of the makkah royal clock tower hotel finished?
answer: 2004
2012
Natural Questions answer: 2012 (from the Wikipedia article "Abraj Al Bait")