Possible Clues:

• '___ the loneliest number'
• '___ the loneliest number...'
• '__ the loneliest number'
• "__ the loneliest number": '60s song lyric
• "___ the loneliest number..."
• "__ the loneliest number": old song lyric
• ''___ the loneliest number''
• "___ the loneliest number"
• 'No -- to blame'
• "__ the loneliest number"