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_name_40 (opinion_research_centre__opc_ VARCHAR, party VARCHAR)
### Question:
What is Opinion Research Centre (OPC), when Party is Conservative?
### Answer:
SELECT opinion_research_centre__opc_ FROM table_name_40 WHERE party = "conservative"