1170
In December of 2015 , stretching into July of 2016 , more than 22 million R2Games accounts were compromised , exposing IP addresses , easily cracked passwords , email addresses , and usernames .
 ( data breach: were compromised,  R2Games accounts: compromised data, 22 million: number of data, July of 2016: time, December of 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: were compromised,  R2Games accounts: compromised data, 22 million: number of data, July of 2016: time, December of 2015: time) 