Based on the clue 'before dover took over you had to carry your coals...', what is the answer?

Based on the clue 'before directing hits like brokeback mountain he s...', what is the answer? Based on the clue 'before directing the brady bunch movie betty thoma...', what is the answer? Based on the clue 'before discovering penicillin he discovered lysozy...', what is the answer? Based on the clue 'before disinheriting cordelia this man warns her n...', what is the answer? Based on the clue 'before e mail offices used these memos for short', what is the answer? Based on the clue 'before each bite of sukiyaki some dip it into this...', what is the answer? Based on the clue 'before each shuttle landing at the ksc workers hav...', what is the answer? Based on the clue 'before eisenhower he was the last president to pre...', what is the answer?