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Hong Kong might just have experienced its biggest ever data breach after the personal details of the Special Administrative Region ( SAR ) ’s 3.7 million voters were stolen on two laptops .
 ( data breach: were stolen,  two: number of victim, laptops: victim, voters: victim, 3.7 million: number of victim, Special Administrative Region ( SAR ): victim, the personal details: compromised 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: were stolen,  two: number of victim, laptops: victim, voters: victim, 3.7 million: number of victim, Special Administrative Region ( SAR ): victim, the personal details: compromised data) 