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_21 (score VARCHAR, visitor VARCHAR, date VARCHAR)
### Question:
What is the score of the game with Grizzlies as the visitor team on 30 December 2007?
### Answer:
SELECT score FROM table_name_21 WHERE visitor = "grizzlies" AND date = "30 december 2007"