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

### Instruction:
Tell me the sum of bp 2nd comp with bp azeo of 57.5

### Inputs:
table_name: table, columns: ['2nd component', 'b.p. 2nd comp. (˚C)', '3rd component', 'b.p. 3rd comp. (˚C)', 'b.p. azeo. (˚C)']

### Response:
SELECT SUM b.p. 2nd comp. (˚C) FROM table WHERE b.p. azeo. (˚C) = 57.5