What is the most frequently occurring value in the 'num-of-doors' attribute before missing value imputation?

What is the most frequently occurring value in the 'num-of-doors' attribute before missing value imputation?: a task in SmolDataEnvs-harbor-train-sandbox: 📊 SmolDataEnvs: Harbor (train) (Harbor dataset). Files (in /home/user/input, no subfolders): - Automobile data.csv