Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Tell me the total number of years for lady cecily waynflete and opera house, kennedy center

### Inputs:
table_name: table, columns: ['Year', 'Play', 'Role', 'Theatre', 'Location']

### Response:
SELECT COUNT Year FROM table WHERE Role = lady cecily waynflete AND Theatre = opera house, kennedy center