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_2169966_2 (avg_finish VARCHAR, avg_start VARCHAR)

### Question ###
How many years did he have an average start of 20.7?

### Accurate SQL ###

SELECT COUNT(avg_finish) FROM table_2169966_2 WHERE avg_start = "20.7"