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_name_66 ( rank INTEGER, name VARCHAR, out_of VARCHAR )

### Question ###
What is the lowest Rank for the Name, 'area of permanent crops', Out of a number smaller than 181?

### Accurate SQL ###

SELECT MIN(rank) FROM table_name_66 WHERE name = "area of permanent crops" AND out_of < 181