Table:
text: Love for Sale (Boney M. album)
Charts
Charts
Year_ Single Chart Position_ Weeks_on_chart
1977 Ma Baker UK single chart 2 13
1977 Ma Baker Norway `s single chart 1 23
1977 Ma Baker Dutch Top 40 1 15
1977 Belfast UK single chart 8 13
1977 Belfast Dutch Top 40 3 11

Question: What are the average weeks of a song with a position greater than 3 after 1977 on Love for Sale (Boney M. album)?

Question: What is the total number of weeks in a chart a song with a position less than 1 Haas under Love for Sale (Boney M. Album) ?

Question: What is the earliest year a song has a position less than 1 on Love for Sale (Boney M. album)?