user: Question: What is the contract length when Rejected is the status?
Columns: ['Nat.', 'Name', 'Status', 'Contract length', 'Expiry date', 'Source']
Types: ['text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['ENG', 'Johnson', 'Signed', '3 years', 2011.0, 'BBC Sport']
SQL:

assistant: SELECT "Contract length" FROM "Table" WHERE "Status" = 'Rejected';