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

### Instruction:
Tell me the % of wt 2nd for bp 3rd comp of 98.4

### Inputs:
table_name: table, columns: ['2nd component', 'b.p. 2nd comp. (˚C)', '3rd component', 'b.p. 3rd comp. (˚C)', 'b.p. azeo. (˚C)', '% wt 1st', '% wt 2nd', '% wt 3rd']

### Response:
SELECT % wt 2nd FROM table WHERE b.p. 3rd comp. (˚C) = 98.4