user: Question: What is the sum of Rank with a build year earlier than 2007 for the Howard Johnson Hotel Bucharest?
Columns: ['Rank', 'Building', 'City', 'Height (m/ft)', 'Built']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'Floreasca City Center Sky Tower', 'Bucharest', 'm (ft)', 2012.0]
SQL:

assistant: SELECT SUM("Rank") FROM "Table" WHERE "Built" < 2007.0 AND "Building" = 'Howard Johnson Hotel Bucharest';