CREATE TABLE table_3689 ("Model" TEXT, "Speed  ( GHz ) " TEXT, "L3 Cache  ( MB ) " FLOAT, "QPI speed  ( GT/s ) " TEXT, "DDR3 Clock  ( MHz ) " FLOAT, "TDP  ( W ) " FLOAT, "Cores" FLOAT, "Threads" FLOAT, "Turbo-Boost" TEXT)

Does the model e5504 have a turbo boost?
SELECT "Turbo-Boost" FROM table_3689 WHERE "Model" = 'E5504'
SELECT "Turbo-Boost" FROM "table_3689" WHERE "Model" = 'E5504'