user: Question: What year was the building with a top 3 rank and a height of 274 (84) ft (m) completed?
Columns: ['Rank', 'Name', 'Height ft (m)', 'Floors (Stories)', 'Year Completed']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 'Metro Tower', '274 (84)', 20.0, 1955.0]
SQL:

assistant: SELECT "Year Completed" FROM "Table" WHERE "Rank" < 3.0 AND "Height ft (m)" = '274 (84)';