CREATE TABLE table_27715173_8 (date VARCHAR, location_attendance VARCHAR)

what is the date when the location attendance is energysolutions arena 19,911?
SELECT date FROM table_27715173_8 WHERE location_attendance = "EnergySolutions Arena 19,911"
SELECT "date" FROM "table_27715173_8" WHERE "EnergySolutions Arena 19,911" = "location_attendance"