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

### Instruction:
Which Annual ridership (2008) has a Number of stations larger than 70, and an Annual ridership (1998) smaller than 451,971,849?

### Inputs:
table_name: table, columns: ['Line', 'Operator', 'Line length (kilometres)', 'Number of stations', 'Annual ridership (1998)', 'Annual ridership (2008)']

### Response:
SELECT MIN Annual ridership (2008) FROM table WHERE Number of stations > 70 AND Annual ridership (1998) < 451,971,849