What value will this query return?

The person dataset includes data representing people in three families (1, 2, and 3). The dataset inclu person identifier (person_id), a family identifier (family_id), a role code (role_cd) for each person in family, and a birth date (birth_dt) for each person. Person person_id family_id role_cd birth_dt Role Birth Date Person Identifier Family Identifier C = Child (MM/DDMY) P = Parent/Caregiver A C 12/15/2011 B P 08/07/1975 C 2 C 03/14/2019 D 2 C 11/30/2005 F 2 P 09/14/1981 F 2 P 04/21/1979 G W C 01/17/2017 H W P. 05/21/1995 W P 06/02/1990The contacts dataset includes data representing contacts made with the people from the person dataset. I includes a person identifier (person_id), which links to the person dataset; a worker identifier (worker_id); and a contact date (contact_dt). Contacts family_id worker_id contact_dt Person Identifier Worker Identifier Contact Date (MM/DD/YY) A X 01/04/2022 C X 02/20/2022 D Y 07/03/2022 D Z 04/05/2022 F N 03/31/2022 G X 05/15/2022 H 06/01/2022 H X 07/09/2022 Z 08/06/2022What value will this query return? SELECT MIN(birth_dt) FROM person WHERE family_id = '2' AND role cd = 'C