user: Question: What terminus is 3.5km in lenght?
Columns: ['Line Name', 'Date Closed', 'NIMT Junction', 'Terminus', 'Length']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Auckland–Newmarket Line', 'Open', 'Quay Park Junction', 'Newmarket Junction', '2.5km']
SQL:

assistant: SELECT "Terminus" FROM "Table" WHERE "Length" = '3.5km';