user: Question: What is Pick #18's Role?
Columns: ['Pick #', 'Brand (to)', 'Employee (Real name)', 'Role', 'Brand (from)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [12.0, 'ECW', 'Mark Henry', 'Male wrestler', 'SmackDown']
SQL:

assistant: SELECT "Role" FROM "Table" WHERE "Pick #" = 18.0;