CREATE TABLE table_name_87 (date VARCHAR, home_captain VARCHAR, venue VARCHAR)

What date has george giffen as the home captain, and sydney cricket ground as the venue?
SELECT date FROM table_name_87 WHERE home_captain = "george giffen" AND venue = "sydney cricket ground"
SELECT "date" FROM "table_name_87" WHERE "george giffen" = "home_captain" AND "sydney cricket ground" = "venue"