9936
In October 2012 , he went on trial at Port Vale , after personally ringing manager Micky Adams to enquire about a vacancy in midfield created when Doug Loft picked up an injury .
 Port Vale, Micky Adams, Doug Loft
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:
 Port Vale, Micky Adams, Doug Loft