Question: What Volume:Issue that has Peter Cetera as the artist and was on top for longer than 1 week?
SQL: SELECT "Volume:Issue" FROM "2-15322421-1" WHERE "Weeks on Top" > 1.0 AND "Artist" = 'Peter Cetera';

Question: What is the longest weeks on top when the Artist was Bruce Hornsby and The Range?
SQL: SELECT MAX("Weeks on Top") FROM "2-15322421-1" WHERE "Artist" = 'Bruce Hornsby and The Range';