การจัดเรียงล้อ 0-6-0 และคลาส 302 ปีไหน?
What year was the wheel arrangement 0-6-0 and a class 302?
df = pd.DataFrame({'year_made': ['1900', '1850'], 'wheel_arrangement': ['0-4-0', '0-6-0'], 'class': ['101', '302']})
df.loc[(df['wheel_arrangement'] == '0-6-0') & (df['class'] == '302'), 'year_made']