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

### Instruction:
What class was the 2nd - portillo?

### Inputs:
table_name: table, columns: ['Result', 'Date', 'Race', 'Venue', 'Distance', 'Class', 'Weight (kg)', 'Time', 'Jockey', 'Odds', 'Winner/2nd']

### Response:
SELECT Class FROM table WHERE Winner/2nd = 2nd - Portillo