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_7335 ( "Census Year" real, "Number of Muslims '000" real, "Population of England and Wales '000" real, "Muslim (% of Total population)" real, "Registered Mosques" real, "Muslims per mosque" real )

### Question ###
What is the highest population of England and Wales that has less than 50 Muslims?

### Accurate SQL ###

SELECT MAX("Population of England and Wales '000") FROM table_7335 WHERE "Number of Muslims '000" < '50'