Error in data insertion in heroku psql table using heroku CLI

Question

I am using Heroku CLI to insert data in a database table. I have table name review and these are the columns of it :- (date,verified_reveiws,total_reviews). You can see it in provided image also. when I am executing insert command INSERT INTO review (date,verified_reveiws,total_reviews) VALUES (December, 5, 1169); i am getting this error ERROR: column "december" does not exist, LINE 1: ...iew (date,verified_reveiws,total_reviews) VALUES (December, .... I didn't able to get why this error is coming. psql version I am using is 12.5.