Misc: The murderer Dr. Crippen was medically qualified, but what was he in London?

Questions

What football team has won the most Rose Bowls?

What geographic term describes a hill with sharply sloping sides & a flat top?

What insect family has the most varieties, making up 290,000 of the 751,000 insect classes?

What kind of craft was the mast atop the Empire State Building intended to moor?

What kind of seeds can cause drug tests to trigger false positives for opium?