text: An Alfred, Lord Tennyson poem ends each of its stanzas by mentioning "the golden prime" of this "good" character.
full_question: An Alfred, Lord Tennyson poem ends each of its stanzas by mentioning "the golden prime" of this "good" character. In one appearance, he encounters a beggar and gives him a coin for alms, after which the beggar requests that this man strike him a blow. He marries a "cateress" and ends the nightly beating of a pair of black dogs after an episode in which he and two of his friends attend a party hosted by three ladies that is also attended by a trio of one-eyed kalandars. In another story, this character purchases a chest from a fisherman only to find the body of a woman cut into 19 pieces inside, after which he twice sets a three-day deadline for another character to solve the crime. A number of gifts from this man are carried to Serendib in the final voyage of Sinbad the Sailor. This character is fond of disguising himself as an ordinary citizen while touring Baghdad with his vizier Jafar. For 10 points, name this character from the Arabian Nights, a historical Abbasid Caliph.
first_sentence: An Alfred, Lord Tennyson poem ends each of its stanzas by mentioning "the golden prime" of this "good" character.
raw_answer: Harun al-Rashid