CREATE TABLE table_9222 ("Event" CLOB, "Time" CLOB, "Name" CLOB, "Nation" CLOB, "Games" CLOB, "Date" CLOB)

On what day was the record set at the 2002 Salt Lake City games with a time of 3:57.70?
SELECT "Date" FROM table_9222 WHERE "Games" = '2002 salt lake city' AND "Time" = '3:57.70'
SELECT "Date" FROM "table_9222" WHERE "Games" = '2002 salt lake city' AND "Time" = '3:57.70'