6611
It said the 1,000 rail cars are in addition to the 1,450 coal rail cars presently being produced for Norfolk Southern , a Norfolk , Va. - based railroad concern .
 cardinal: 1,000; cardinal: 1,450; organization: Norfolk Southern; geographical social political: Norfolk; geographical social political: Va.
Please list all entity words in the text that fit the category.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} 
Answer:
 cardinal: 1,000; cardinal: 1,450; organization: Norfolk Southern; geographical social political: Norfolk; geographical social political: Va.