Table: t_1978_singles_rank
Columns: volume_issue
issue_date_s
weeks_on_top
song
artist

Question: How many weeks on top was the song with a volume:issue of 28:26?
SQL: SELECT "weeks_on_top" FROM t_1978_singles_rank WHERE "volume_issue" = '28:26'

Question: Which song was 1 week on top and had a volume:issue of 29:8?
SQL: SELECT "song" FROM t_1978_singles_rank WHERE "weeks_on_top" = '1' AND "volume_issue" = '29:8'

Question: Which song was by artist Gino Vannelli?
SQL: SELECT "song" FROM t_1978_singles_rank WHERE "artist" = 'gino vannelli'