316
The US Attorney 's Office for the District of Northern Georgia announced Wednesday that a federal grand jury had returned indictments against two Iranian nationals charged with executing the March 2018 ransomware attack that paralyzed Atlanta city government services for over a week .
 over a week: time; March 2018: time; Atlanta city government: victim
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: ransom 
  Option: victim, attacker, payment method, attack pattern, damage amount, tool, time, price, place 
Text: {0} 
Answer:
 over a week: time; March 2018: time; Atlanta city government: victim