 In " The Child ", Data clarifies to the newly arrived ship's chief medical officer, Dr. Katherine Pulaski, that the correct pronunciation of his name is Day'ta, not Dah'ta .
<meaning-changed>  In " The Child ", Data clarifies to the newly arrived ship's chief medical officer, Dr. Katherine Pulaski, that the correct pronunciation of his name is Day'ta, not Dah'ta .
 In " Unification, Part II ", Data clarifies to the newly arrived ship's chief medical officer, Dr. Katherine Pulaski, that the correct pronunciation of his name is Day'ta, not Dah'ta .