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

### Instruction:
Name the total number of 1stm when 2nd m is 125.5

### Inputs:
table_name: table, columns: ['Rank', 'Name', 'Nationality', '1st (m)', '2nd (m)', 'Points', 'Overall NT points', 'Overall WC points (Rank)']

### Response:
SELECT COUNT 1st (m) FROM table WHERE 2nd (m) = 125.5