CREATE TABLE table_30675 ("Couple" TEXT, "Style" TEXT, "Music" TEXT, "Trine Dehli Cleve" FLOAT, "Tor Fl\\u00f8ysvik" FLOAT, "Karianne Gulliksen" FLOAT, "Christer Tornell" FLOAT, "Total" FLOAT)

How many couples are there for the song ' i wonder why ' curtis stigers?
SELECT COUNT("Couple") FROM table_30675 WHERE "Music" = ' I Wonder Why "— Curtis Stigers'
SELECT COUNT("Couple") FROM "table_30675" WHERE "Music" = ' I Wonder Why "— Curtis Stigers'