1101
According to Kromtech , it estimated between 550,000 to 1.1 million loan records from those dealers were exposed online .
 ( data breach: were exposed,  550,000 to 1.1 million: number of data, loan records: compromised data, those dealers: victim) 
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 exposed,  550,000 to 1.1 million: number of data, loan records: compromised data, those dealers: victim) 