"Y el número de teléfono de tu compañero de clase?" means "And the number of your classmate?" It is pronounced "ee el NOO-mare-oh day tel-LAY-fo-no day too coam-pan-YARE-oh day CLA-say?" Please...
I think it's The Whale by Roger McGuinn and it may well have been on the album Cardiff Rose but I'm not sure. I know I have a copy of it somewhere here