For a processor with model number atom e665c and a TDP of 3.6 W, what is the sSpec number?
CREATE TABLE table_21015 (
    "Model number" text,
    "sSpec number" text,
    "Frequency" text,
    "GPU frequency" text,
    "L2 cache" text,
    "I/O bus" text,
    "Memory" text,
    "Voltage" text,
    "TDP" text,
    "Socket" text,
    "Release date" text,
    "Part number(s)" text,
    "Release price ( USD )" text
)
SELECT "sSpec number" FROM table_21015 WHERE "TDP" = '3.6 W' AND "Model number" = 'Atom E665C'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: For a processor with model number atom e665c and a TDP of 3.6 W, what is the sSpec number? ### Input: CREATE TABLE table_21015 (
    "Model number" text,
    "sSpec number" text,
    "Frequency" text,
    "GPU frequency" text,
    "L2 cache" text,
    "I/O bus" text,
    "Memory" text,
    "Voltage" text,
    "TDP" text,
    "Socket" text,
    "Release date" text,
    "Part number(s)" text,
    "Release price ( USD )" text
) ### Response: SELECT "sSpec number" FROM table_21015 WHERE "TDP" = '3.6 W' AND "Model number" = 'Atom E665C'