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

### Instruction:
What County was built after 1920 with a Latitude of 37°40′30"n?

### Inputs:
table_name: table, columns: ['County', 'Monument name', 'Year built', 'City or Town', 'Latitude', 'Longitude']

### Response:
SELECT County FROM table WHERE Year built > 1920 AND Latitude = 37°40′30"n