Husam Badran
He was the orchestrator of several suicide bombings during the Second Intifada with the highest number of fatalities including the 2001 bombing which resulted in the Dolphinarium discotheque massacre in Tel Aviv which killed 21 people . 
<triplet> Dolphinarium discotheque massacre <subj> Second Intifada <obj> part of <subj> Tel Aviv <obj> location <subj> 21 <obj> number of deaths