Table:
text: BHP Whyalla DH class
History
History
Number_ Serial_Number Into_Service Withdrawn Scrapped
DH1 573 4/1962 Example 2004
DH2 574 4/1962 Example Feb 1994
DH3 575 Example Example Oct 1997
DH4 579 Example Example Sep 1997
DH5 580 Example Example Sep 1997

Question: Name the entry into service of the BHP Whyalla DH class for dh1?

Question: Give the withdrawn example and serial number 579 for BHP Whyalla DH class?

Question: Name the entry into service for the BHP Whyalla DH2 class. ?

Question: Among the BHP Whyalla DH class, list the most serial numbers for February 1994?

Question: Name the 2004 number scapped under the BHP Whyalla DH class?

Question: Name the entry into service of the BHP Whyalla DH class for dh1?