864
Larry Klayman , chairman of Judicial Watch , which represent 14 survivors and victims ' relatives who have filed a $ 1 . 5 billion federal lawsuit against Iraq in Washington , said his organization had served a subpoena on Al - Douri twice , on March 26 and March 28 , but said he has not responded .
 ( sue: lawsuit,  Iraq: defendant, Washington: place, relatives: plaintiff, survivors: plaintiff) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: declare bankruptcy, transfer ownership, transfer money, marry, transport, die, phone write, arrest jail, convict, sentence, sue, end organization, start organization, end position, start position, meet, elect, attack, injure, born, fine, release parole, charge indict, extradite, trial hearing, demonstrate, divorce, nominate, appeal, pardon, execute, acquit, merge organization, Arguments type: beneficiary, prosecutor, plaintiff, seller, victim, buyer, agent, destination, artifact, organization, recipient, person, place, origin, target, giver, adjudicator, attacker, vehicle, defendant, entity, instrument. 
Text: {0} 
Answer:
 ( sue: lawsuit,  Iraq: defendant, Washington: place, relatives: plaintiff, survivors: plaintiff) 