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

### Instruction:
How many p.ret are there when kr avg is 11.3 ?

### Inputs:
table_name: table, columns: ['Player', 'GP', 'K. Ret.', 'KR Yds', 'KR Avg.', 'KR TD', 'KR LG', 'P. Ret.', 'PR Yds', 'PR Avg.', 'PR TD', 'PR LG', 'MFG Ret.', 'MFG Yds', 'MFG Avg.', 'MFG LG', 'MFG TD']

### Response:
SELECT COUNT P. Ret. FROM table WHERE KR Avg. = 11.3