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

### Instruction:
Who was the champion earlier than 1978 when the runner-up was Jimmy Connors?

### Inputs:
table_name: table, columns: ['Location', 'Year', 'Champion', 'Runner-up', 'Score']

### Response:
SELECT Champion FROM table WHERE Runner-up = jimmy connors AND Year < 1978