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

### Instruction:
What is the rank for the period of 1973–89, with less than 423 games.

### Inputs:
table_name: table, columns: ['Rank', 'Name', 'Period', 'Games', 'Goals']

### Response:
SELECT SUM Rank FROM table WHERE Period = 1973–89 AND Games < 423