CREATE TABLE table_42783 ("Volume:Issue" CLOB, "Issue Date ( s ) " CLOB, "Weeks on Top" FLOAT, "Song" CLOB, "Artist" CLOB)

What is the longest weeks on top when the Artist was Bruce Hornsby and the Range?
SELECT MAX("Weeks on Top") FROM table_42783 WHERE "Artist" = 'bruce hornsby and the range'
SELECT MAX("Weeks on Top") FROM "table_42783" WHERE "Artist" = 'bruce hornsby and the range'