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_1458412_1 ( year VARCHAR, avg_start VARCHAR )

### Question ###
What is the totl amount of years where avg start is 27.3?

### Accurate SQL ###

SELECT COUNT(year) FROM table_1458412_1 WHERE avg_start = "27.3"