user: ### NOW ANSWER:
Question: What is the average sinclair coefficient with a Sinclair Total of 477.2772023, and a Weight Class (kg) larger than 105?
Columns: ['Weight Class (kg)', 'World Record (kg)', 'Sinclair Coefficient', 'Sinclair Total', 'Rank']
Types: ['real', 'text', 'real', 'real', 'real']
Sample row: [56.0, '305', 1.558521584, 475.349083, 3.0]
SQL:

assistant: SELECT AVG("Sinclair Coefficient") FROM "Table" WHERE "Sinclair Total" = 477.2772023 AND "Weight Class (kg)" > 105.0;