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

### Instruction:
Which NGC number has an Object type of open cluster, and a Right ascension (J2000) of 06h01m06s?

### 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 = open cluster AND Right ascension ( J2000 ) = 06h01m06s