CREATE TABLE table_11919 ("Date" TEXT, "Visitor" TEXT, "Score" TEXT, "Home" TEXT, "Leading scorer" TEXT, "Record" TEXT)

What is the score of the game with Grizzlies as the visitor team on 30 December 2007?
SELECT "Score" FROM table_11919 WHERE "Visitor" = 'grizzlies' AND "Date" = '30 december 2007'
SELECT "Score" FROM "table_11919" WHERE "Date" = '30 december 2007' AND "Visitor" = 'grizzlies'