Table: duchess_of_teschen
Columns: name
birth
marriage
became_duchess
ceased_to_be_duchess
death
spouse

Question: When did eleonor magdalene of the palatinate-neuburg become duchess?
SQL: SELECT "became_duchess" FROM duchess_of_teschen WHERE "name" = 'eleonor magdalene of the palatinate-neuburg'

Question: Which Marriage has a Became Duchess of 12 december 1666?
SQL: SELECT "marriage" FROM duchess_of_teschen WHERE "became_duchess" = '12 december 1666'

Question: When did the person die who was born on 18 november 1630?
SQL: SELECT "death" FROM duchess_of_teschen WHERE "birth" = '18 november 1630'

Question: Which Birth has a Became Duchess of 17 april 1711 husband's ascension?
SQL: SELECT "birth" FROM duchess_of_teschen WHERE "became_duchess" = '17 april 1711 husband''s ascension'

Question: Which Spouse has a Birth of 30 may 1653?
SQL: SELECT "spouse" FROM duchess_of_teschen WHERE "birth" = '30 may 1653'

Question: When did the person born on 6 january 1655 die?
SQL: SELECT "death" FROM duchess_of_teschen WHERE "birth" = '6 january 1655'