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_20466963_13 (guest_2 VARCHAR, presenter VARCHAR, date VARCHAR)
### Question:
Name the guest 2 for colin murray 6 april
### Answer:
SELECT COUNT(guest_2) FROM table_20466963_13 WHERE presenter = "Colin Murray" AND date = "6 April"