Possible Clues:

• "Beats me"
• Frustrated crossword solver's cry
• Frustrated crossword solver's cry?
• (1,6,3,1,4)
• *"No idea"
• -
• Village between Kruszyna and Jacków in Silesian Voivodeship, Poland (pop. 305)
• "Search me"
• " "
• Bewildered comment