CREATE TABLE table_74215 ("Game" FLOAT, "Date" TEXT, "Team" TEXT, "Score" TEXT, "High points" TEXT, "High rebounds" TEXT, "High assists" TEXT, "Location Attendance" TEXT, "Record" TEXT)

What dated was the game played at the location delta center 19,911?
SELECT "Date" FROM table_74215 WHERE "Location Attendance" = 'Delta Center 19,911'
SELECT "Date" FROM "table_74215" WHERE "Location Attendance" = 'Delta Center 19,911'