question: On March 25 , 1866 , a battle ensued where in Chihuahua City ?
answer: Plaza de Armas
turker_answer: On March 25 , 1866 , a battle ensued in Chihuahua City at Plaza de Armas .
rule-based: On March 25 , 1866 , a battle ensued Plaza de Armas in Chihuahua City .