Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_20683381_2 (date_of_opinion_poll VARCHAR, conductor VARCHAR)
### Question:
When was Quantum Research's poll conducted?
### Answer:
SELECT date_of_opinion_poll FROM table_20683381_2 WHERE conductor = "Quantum Research"