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

### Instruction:
What city has riverside ground as the venue, with a year prior to 1998?

### Inputs:
table_name: table, columns: ['Score', 'Opposition', 'Venue', 'City', 'Year']

### Response:
SELECT City FROM table WHERE Venue = riverside ground AND Year < 1998