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

### Instruction:
How many transit passengers at london gatwick?

### Inputs:
table_name: table, columns: ['Rank', 'Airport', 'Total Passengers', '% Change 2008/2009', 'International Passengers', 'Domestic Passengers', 'Transit Passengers', 'Aircraft Movements', 'Freight ( Metric Tonnes )']

### Response:
SELECT Transit Passengers FROM table WHERE Airport = London Gatwick