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_61 (sinclair_coefficient INTEGER, sinclair_total VARCHAR, weight_class__kg_ VARCHAR)

### Question ###
What is the average sinclair coefficient with a Sinclair Total of 477.2772023, and a Weight Class (kg) larger than 105?

### Accurate SQL ###

SELECT AVG(sinclair_coefficient) FROM table_name_61 WHERE sinclair_total = 477.2772023 AND weight_class__kg_ > 105