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

### Instruction:
When 9:47:38 is the time (utc) how many measurements of latitude are there?

### Inputs:
table_name: table, columns: ['Date (YYYY-MM-DD)', 'Time (UTC)', 'Latitude', 'Longitude', 'Depth', 'Magnitude']

### Response:
SELECT COUNT Latitude FROM table WHERE Time (UTC) = 9:47:38