user: Question: Tell me the name for rank of 27= and years before 1964
Columns: ['Rank', 'Name', 'Height ft / m', 'Floors', 'Year']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['1', 'U.S. Steel Tower', '841 / 256', 64.0, 1970.0]
SQL:

assistant: SELECT "Name" FROM "Table" WHERE "Rank" = '27=' AND "Year" < 1964.0;