user: Question: Which builder completed before 1890 and launched on 9 June 1888?
Columns: ['Name', 'Builder', 'Laid down', 'Launched', 'Completed']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['HMSMarathon', 'Fairfields, Govan', '10 August 1887', '23 August 1888', 1889.0]
SQL:

assistant: SELECT "Builder" FROM "Table" WHERE "Completed" < 1890.0 AND "Launched" = '9 June 1888';