What's the voltage for the pentium dual-core e2140?
CREATE TABLE table_name_49 (
    voltage VARCHAR,
    model_number VARCHAR
)
SELECT voltage FROM table_name_49 WHERE model_number = "pentium dual-core e2140"
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: What's the voltage for the pentium dual-core e2140? ### Input: CREATE TABLE table_name_49 (
    voltage VARCHAR,
    model_number VARCHAR
) ### Response: SELECT voltage FROM table_name_49 WHERE model_number = "pentium dual-core e2140"