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

### Instruction:
What is the ngc number when the object type is lenticular galaxy and the constellation is hydra?

### Inputs:
table_name: table, columns: ['NGC number', 'Object type', 'Constellation', 'Right ascension ( J2000 )', 'Declination ( J2000 )']

### Response:
SELECT MAX NGC number FROM table WHERE Object type = lenticular galaxy AND Constellation = hydra