4600
they came from the richmond marina as well as the urbuinano island , the coast guard station .
 richmond, coast guard, they, the richmond marina, the coast guard station, the urbuinano island
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 richmond, coast guard, they, the richmond marina, the coast guard station, the urbuinano island