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

### Instruction:
What is the season total number if the primary (South) winners is Ridings High 'A'?

### Inputs:
table_name: table, columns: ['Season', 'Junior (South) Winners', 'Intermediate (South) Winners', 'Minor (South) Winners', 'Primary (South) Winners']

### Response:
SELECT COUNT Season FROM table WHERE Primary (South) Winners = Ridings High 'A'