What was the yield of 'Total Foodgrains' in the year 2010-11 according to the cleaned df1 dataset?

What was the yield of 'Total Foodgrains' in the year 2010-11 according to the cleaned df1 dataset?: a task in data-agent-harbor-train (Harbor dataset). Files (in /home/user/input, no subfolders): - datafile (1).csv - datafile (2).csv - datafile (3).csv - datafile.csv