Possible Clues:

• 'What's the ___?'
• "What's the __?"
• 'What's the --?'
• "What's the —?"
• 'What's the ___?' ('Who cares?')
• Subtraction amt.
• ''What's the __?''
• “What’s the ___?”
• "What's the __?": "So what?"
• "What's the ___?"