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

### Instruction:
What is the weight of the display that has an internal storage of 16-64 GB and uses a wi-fi, 3G wireless network?

### Inputs:
table_name: table, columns: ['Maker', 'Model', 'Intro year', 'Screen size (inch)', 'Screen type', 'Weight', 'Screen pixels', 'Hours reading', 'Touch screen', 'Wireless network', 'Internal storage', 'Card reader slot']

### Response:
SELECT Weight FROM table WHERE Internal storage = 16-64 gb AND Wireless network = wi-fi, 3g