Question: When did Petra Haden's father die?
Sentence (from "Petra Haden"): She is the daughter of the jazz bassist Charlie Haden; the triplet sister of bassist Rachel Haden (her bandmate in That Dog) and cellist Tanya Haden (married to singer and actor Jack Black) with whom she has performed as The Haden Triplets; and the sister of bassist-singer Josh Haden, leader of the group Spain.
Relevant evidence: Yes