Complex sentence: There are between 650 and 700 people of Greek descent living in Kyrgyzstan; however, the data of the General Secretariat For Greeks Abroad give an even lower number (50 people).
Split into simpler sentences: There are between 650 and 700 people of Greek descent living in Kyrgyzstan. However, the data of the General Secretariat For Greeks Abroad give an even lower number (50 people).