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_23512864_4 (speaker VARCHAR, chief_minister VARCHAR)
### Question:
What is the name of the speaker if the chief minister is M.G. Ramachandran?
### Answer:
SELECT speaker FROM table_23512864_4 WHERE chief_minister = "M.G. Ramachandran"