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

### Instruction:
What's the CR number that has an LMS number less than 14761 and works of Hawthorn Leslie 3100?

### Inputs:
table_name: table, columns: ['HR no.', 'HR name', 'CR no.', 'LMS no.', 'Built', 'Works', 'Withdrawn']

### Response:
SELECT AVG CR no. FROM table WHERE Works = hawthorn leslie 3100 AND LMS no. < 14761