user: Question: How many frequencies have a model number of Core i5-655K?
Columns: ['Model number', 'sSpec number', 'Frequency', 'Turbo', 'GPU frequency', 'Cores', 'L2 cache', 'L3 cache', 'I/O bus', 'Mult.', 'Memory', 'Voltage', 'TDP', 'Socket', 'Release date', 'Part number(s)', 'Release price ( USD )']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Core i5-650', 'SLBLK(C2)SLBTJ(K0)', '3.2 GHz', '1/2', '733 MHz', 2.0, '2 × 256 KB', '4 MB', 'DMI', '24×', '2 × DDR3-1333', '0.65–1.4V', '73 W', 'LGA 1156', 'January 2010', 'CM80616003174AHBX80616I5650', '$176']
SQL:

assistant: SELECT COUNT("Frequency") FROM "Table" WHERE "Model number" = 'Core i5-655K';