Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the Rank of the building that has a Highest floor larger than 50?

### Inputs:
table_name: table, columns: ['Rank', 'Name', 'Height', 'Highest floor', 'City', 'Primary use']

### Response:
SELECT Rank FROM table WHERE Highest floor > 50