CREATE TABLE table_53907 ("Record" TEXT, "Year" TEXT, "Date" TEXT, "Driver" TEXT, "Car Make" TEXT, "Time" TEXT, "Average Speed  ( mph ) " TEXT)

What day had a time of 29.816?
SELECT "Date" FROM table_53907 WHERE "Time" = '29.816'
SELECT "Date" FROM "table_53907" WHERE "Time" = '29.816'