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

### Instruction:
Which Year is the lowest one that has a US Cham Rank smaller than 1?

### Inputs:
table_name: table, columns: ['Year', 'US Cham. Rank', 'US Cham. Spending', 'Next Highest Spender', 'Next Highest Amount']

### Response:
SELECT MIN Year FROM table WHERE US Cham. Rank < 1