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

### Instruction:
how many l2 cache has a clock speed to tdp ratio of 46.7?

### Inputs:
table_name: table, columns: ['Core', 'Processor', 'Model', 'Clock Speed', 'L2 Cache', 'Voltage', 'TDP', 'Clock Speed to TDP ratio (MHz/W)']

### Response:
SELECT COUNT L2 Cache FROM table WHERE Clock Speed to TDP ratio (MHz/W) = 46.7