Table: smith_wives
Columns: child
date_of_birth
mother
father
dna_testing_status

Question: What is the date of birth of Oliver Buell's child?
SQL: SELECT "date_of_birth" FROM smith_wives WHERE "child" = 'oliver buell'

Question: Who is the father that was born on January 2, 1842?
SQL: SELECT "father" FROM smith_wives WHERE "date_of_birth" = 'january 2, 1842'

Question: Who is the father of the child whose mother is Presendia Huntington Buell?
SQL: SELECT "father" FROM smith_wives WHERE "mother" = 'presendia huntington buell'