Youll get a JSON-file back which you can parse to get the completion suggestions. There are some options (like callback, etc) but for you this url would serve its purpose. Result (i added the linebreaks myself so you'll need to parse this JSON):
Whowas How Do I Live without you written for? According to Rimes, Warren wrote the song for her to sing and promised it to Rimes "no matter what." Disney (who owns Touchstone Pictures) felt Rimes' version was too pop feeling over it and because she was fourteen it was believed that she was too young.
FAwBW.