When I clear the responses I have been unable to clear coumn A date of entry. It seems to be locked and I am unable to unlock it.
The "Time Submitted" column is locked and is intended to be locked, it should not be able to be unlocked or deleted. This is to protect users from accidentally modifying that data.
You can "Hide" that column. You can also delete the entire rows where you were trying to clear the data from.
Retrieving data ...