63
In 1997 , Mexico ' s total amount of foreign trade broke through 220 billion US dollars , which created a new historical record .
 geographical social political: Mexico; geographical social political: US
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: Mexico; geographical social political: US