Cecil B. DeMille directed two versions of which biblical epic, a silent one in 1923 and a widescreen one in 1956?

In CB radio slang, made popular by C.W. McCall's "Convoy," which code means "OK"? CBS reran which 1970–71 police series after its star, Burt Reynolds, made it big in the movies? Which 1969 Creedence Clearwater Revival hit about a riverboat was later a smash for Ike & Tina Turner? Who wrote and sang lead on Creedence Clearwater Revival's 1969 hit "Proud Mary"? Real estate developer Cecil B. Day founded which budget motel chain in 1970? Cecil Kellaway played Mr. Earnshaw, Cathy's father, in which 1939 film classic? In the cartoon "Beany and Cecil", Cecil was a seasick what? Ceded to the United States in 1783, which city is often called the oldest settlement in Wisconsin?