1345
The most significant attack , the leaking of thousands of private emails between senior members of the DNC to Wikileaks by Fancy Bears , lead to the resignation of DNC Chair Debbie Wasserman - Schultz .
 ( data breach: the leaking,  private emails: compromised data, senior members: victim, the DNC: victim, Fancy Bears: attacker, thousands: number of data) 
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: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( data breach: the leaking,  private emails: compromised data, senior members: victim, the DNC: victim, Fancy Bears: attacker, thousands: number of data) 