CREATE TABLE table_name_3 (penanced VARCHAR(255), number_of_autos_da_fé_with_known_sentences VARCHAR(255))
How many were penanced when the number with known sentences was 71 (1600–1773)?
    
SQL: SELECT penanced FROM table_name_3 WHERE number_of_autos_da_fé_with_known_sentences = "71 (1600–1773)"