4430
In the 1970 s , the spoon worm " Listriolobus pelodes " was found on the continental shelf off Los Angeles in numbers of up to 1,500 per square metre ( 11 square feet ) near sewage outlets .
 location: Los Angeles
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Los Angeles