50157
There were 4.668 million land telephone lines in use in Belgium in 2007 , a slight decrease on the 4.769 million in use in 1997 .
 Belgium
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Belgium