ดัชนี Transparency International อยู่ในอันดับที่เท่าไหร่?
What's the wold ranking of the index by Transparency International?
df = pd.DataFrame(columns=['world_ranking__1_', 'author___editor___source'], dtype=object)
df.loc[df['author___editor___source'] == 'Transparency International', 'world_ranking__1_']