user: Question: What is the voltage when there are 2 cores, turbo is 5/8 and the release date is September 2010?
Columns: ['Model number', 'sSpec number', 'Frequency', 'Turbo', 'GPU frequency', 'Cores', 'L2 cache', 'L3 cache', 'I/O bus', 'Mult.', 'Memory', 'Voltage', 'Socket', 'Release date', 'Part number(s)', 'Release price ( USD )']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['standard power', 'standard power', 'standard power', 'standard power', 'standard power', 'standard power', 'standard power', 'standard power', 'standard power', 'standard power', 'standard power', 'standard power', 'standard power', 'standard power', 'standard power', 'standard power']
SQL:

assistant: SELECT "Voltage" FROM "Table" WHERE "Cores" = '2' AND "Release date" = 'September 2010' AND "Turbo" = '5/8';