CREATE TABLE table_51023 ("Volume:Issue" CLOB, "Issue Date ( s ) " CLOB, "Weeks on Top" FLOAT, "Song" CLOB, "Artist" CLOB)

How long was Volume:Issue 12:4-6 at the top?
SELECT COUNT("Weeks on Top") FROM table_51023 WHERE "Volume:Issue" = '12:4-6'
SELECT COUNT("Weeks on Top") FROM "table_51023" WHERE "Volume:Issue" = '12:4-6'