ส่วนแบ่งการโหวตของ Brian Moran คืออะไรเมื่อ Creigh Deeds มี 30%
What was Brian Moran's share of the votes when Creigh Deeds had 30%?
df = pd.DataFrame(columns=['brian_moran', 'creigh_deeds'])
df[df['creigh_deeds'] == '30%']['brian_moran']