3980
A year ago , there were 3,100 delayed flights at La Guardia for the month of September .
 date: A year ago; cardinal: 3,100; facility: La Guardia; date: the month of September
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
 Entities: A year ago, 3,100, La Guardia, the month of September 
Answer:
 date: A year ago; cardinal: 3,100; facility: La Guardia; date: the month of September