Direct-indirect speech: Martha asked "What's your year of birth?"

[Engbegin]

I am new here! Can someone help me here,

Martha asked " What's your year of birth? ", can someone tell me how would the sentence look when we change it to indirect speech.

[Mister Micawber]

Martha asked what my year of birth was.
_________________
Native English teacher at Mister Micawber's

[Engbegin]

thanks