Does "Thus if the calculated value is -4 the Gregorian equivalent of this date is February 24." contain the correct answer to "If you need a date of four days less, what do you subtract from the Julian calendar?"

A: yes

Does "Derby resigned in 1868, to be replaced by Benjamin Disraeli, who charmed Victoria." contain the correct answer to "When did Derby resign?"

A: yes

Does "Of his eight encyclicals, Pope Paul VI is best known for his encyclical Humanae vitae (Of Human Life, subtitled On the Regulation of Birth), published on 25 July 1968." contain the correct answer to "How many encyclicals did Paul VI publish?"

A:
yes