import pandas as pd

# Read the CSV file
df = pd.read_csv('/Users/namnam/Downloads/country_vaccination_stats.csv')

df['daily_vaccinations'] = df['daily_vaccinations'].fillna(0)
df['date'] = pd.to_datetime(df['date'], format='%m/%d/%Y')

df_on_date = df[df['date'] == '2021-01-06']

total_vaccinations = df_on_date['daily_vaccinations'].sum()

print('Total vaccinations on 1/6/2021:', total_vaccinations)