3516
We can not , however , relate the source of such sample records to the 2015 data breach and we are unable to verify whether the database of LeakedSource contains information of 3,345,168 SanrioTown users stolen during the 2015 SanrioTown data breach ”
 ( data breach: data breach,  sample records: compromised data, 2015: time) 
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: data breach,  sample records: compromised data, 2015: time) 