user: Question: What CCM Chart had 18 total weeks?
Columns: ['Single', 'CCM Chart', 'Debut', 'Peak Date', 'Peak Pos', 'Total Wks', 'Spins (since 1998) source: Mediabase']
Types: ['text', 'text', 'text', 'text', 'real', 'real', 'real']
Sample row: ['"Entertaining Angels"', 'CHR', '4/20/98', '6/8/98', 1.0, 14.0, 9887.0]
SQL:

assistant: SELECT "CCM Chart" FROM "Table" WHERE "Total Wks" = 18.0;