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_10 (year VARCHAR, chassis VARCHAR, engine VARCHAR, rank VARCHAR)

### Question ###
How many years has an engine of audi 3.6l turbo v8 and 1st as the rank with an audi r8r as the chassis?

### Accurate SQL ###

SELECT COUNT(year) FROM table_name_10 WHERE engine = "audi 3.6l turbo v8" AND rank = "1st" AND chassis = "audi r8r"