ประเภทวัตถุใดที่มี Right Ascension 21h01m37.7s (J2000) และ 6995 หรือสูงกว่า NGC
What Object Type has a 21h01m37.7s Right Ascension (J2000) and 6995 or greater NGC?
df = pd.DataFrame(columns=['object_type', 'ngc_number', 'right_ascension__j2000__'])
df[(df['ngc_number']>6995) & (df['right_ascension__j2000__']=='21h01m37.7s')]['object_type']