Table: i7_microprocs
Columns: model_number
sspec_number
cores
frequency
turbo
l2_cache
l3_cache
gpu_model
gpu_frequency
socket
i_o_bus
release_date
part_number_s
release_price_usd

Question: How many cores does the processor with a release price of $426 have?
SQL: SELECT "cores" FROM i7_microprocs WHERE "release_price_usd" = '$426'

Question: What was the frequency of the Core i7-3610QE?
SQL: SELECT "frequency" FROM i7_microprocs WHERE "model_number" = 'core i7-3610qe'

Question: How many cores does the processor released in April 2012 with a price of $393 and part number av8063801117503 have?
SQL: SELECT "cores" FROM i7_microprocs WHERE "release_date" = 'april 2012' AND "release_price_usd" = '$393' AND "part_number_s" = 'av8063801117503'