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_47 (year INTEGER, laps VARCHAR, co_driver VARCHAR, position VARCHAR)

### Question ###
What is the lowest Year, when Co-Driver is Warren Luff, when Position is 7th, and when Laps is less than 161?

### Accurate SQL ###

SELECT MIN(year) FROM table_name_47 WHERE co_driver = "warren luff" AND position = "7th" AND laps < 161