Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_75768 ( "County" text, "Population (2011)" real, "Population (2006)" real, "Change (%)" real, "Area (km\u00b2)" real, "Population density" real )

### Question ###
What is the Population density that has a Change (%) higher than 10.4, and a Population (2011) less than 8574, in the County of Queens?

### Accurate SQL ###

SELECT AVG("Population density") FROM table_75768 WHERE "Change (%)" > '10.4' AND "County" = 'queens' AND "Population (2011)" < '8574'