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

### Instruction:
What was the score on the first leg when gimnasia de mendoza played at home for the second leg?

### Inputs:
table_name: table, columns: ['Home (1st leg)', 'Home (2nd leg)', '1st Leg', '2nd leg', 'Aggregate']

### Response:
SELECT 1st Leg FROM table WHERE Home (2nd leg) = gimnasia de mendoza