It looks like the answer to a security question, so I'd be treating it like a password and not storing it in plain text.
However, even if hashed it's vulnerable if the DB is stolen as the search space for possible answers to security questions is much less than for freely chosen texts of passwords.
(Unless, of course, your answers to security questions like the city that you were born in are: "#3ak2@}-Zoe29!bb$-")
It looks like the answer to a security question, so I'd be treating it like a password and not storing it in plain text.
However, even if hashed it's vulnerable if the DB is stolen as the search space for possible answers to security questions is much less than for freely chosen texts of passwords.
(Unless, of course, your answers to security questions like the city that you were born in are: "#3ak2@}-Zoe29!bb$-")