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_20018 ( "Census Year" real, "Number of Muslims 000" real, "Population of England and Wales 000" real, "Muslim (% of Total population)" text, "Registered Mosques" real, "Muslims per mosque" real )

### Question ###
What is the most recent census year?

### Accurate SQL ###

SELECT MAX("Census Year") FROM table_20018