user: Question: How many couples are there for the song " I Wonder Why "— Curtis Stigers?
Columns: ['Couple', 'Style', 'Music', 'Trine Dehli Cleve', 'Tor Fløysvik', 'Karianne Gulliksen', 'Christer Tornell', 'Total']
Types: ['text', 'text', 'text', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Stig & Alexandra', 'Cha-Cha-Cha', '" Murder On The Dance Floor "— Sophie Ellis-Bextor', 7.0, 7.0, 7.0, 7.0, 28.0]
SQL:

assistant: SELECT COUNT("Couple") FROM "Table" WHERE "Music" = '" I Wonder Why "— Curtis Stigers';