What is associated with: a plaza in san francisco is named for this politician who was a city supervisor when he was slain in 1978?

Based on the clue 'a playing card it can also mean to easily pass a t...', what is the answer? Based on the clue 'a playing card knave ms st john', what is the answer? Based on the clue 'a playing card that has 2 spots', what is the answer? Based on the clue 'a playwright we are all born mad some remain so', what is the answer? Based on the clue 'a pleasant means of amusement like a game of cards...', what is the answer? Based on the clue 'a pleasurable trip in an automobile especially whe...', what is the answer? Based on the clue 'a pleasure carriage with a raised drivers seat or ...', what is the answer? Based on the clue 'a plectrum of a harpsichord or a porcupine part', what is the answer?