Table:
text: List of tallest buildings in Miami Beach
Timeline of tallest buildings
Timeline of tallest buildings
Name_ Street_address Years_as_tallest Height_feet_m Floors
Portofino Tower 300 South Pointe Drive 1997–2000 484 / 148 44
Green Diamond 4775 Collins Avenue 2000–present 559 / 172 44
Blue Diamond 4779 Collins Avenue 2000–present 559 / 172 44

Question: List of tallest buildings in Miami Beach, how many floors does the Blue Diamond have?