def get_epoch_max_val_acc(data):
df_val = data[data['<STR_LIT:data>'] == '<STR_LIT>']<EOL>return df_val[df_val['<STR_LIT>'] == df_val['<STR_LIT>'].max()]<EOL>
Gets the epoch with the highest validation accuracy.
        Args:
            data: Panda dataframe in *the* format.
        Returns:
            Row with the maximum validatin accuracy.