Below is a list of directors who have directed a large number of films spanning several decades. Which of the following directors have you probably seen more films of than Stephen Spielberg?
(You don't have to do the work and count if you don't need to)
Rob Altman (films: MASH, Brewster and McCloud, Nashville, Cookie's Fortune, Dr. T and the Women, Prairie Home Companion, McCabe & Mrs. Miller, California Split, Long Goodbye, Buffalo Bill and the Indian, Popeye, Vincent and Theo, The Player, Shortcuts, The Company, Godsford Park, etc.)
Sidney Lumet (films: Pawnbroker, Murder on the Orient Express, The Verdict, Dog Day Afternoon, 12 Angry Men, Before the Devil Knows Your Dead, Find me Guilty, Serpico, Network, Murder on the Orient Express, Fail Safe, The Wiz, The Hill, Q&A, etc.)
Tim Burton (films: Ed Wood, Edward Scissorhands, Sweeny Todd, Big Fish, Batman, Batman Returns, Mars Attacks, Planet of the Apes, Corpse Bride, Charlie and the Chocolate Factory, Sleepy Hollow, Beetle Juice, Hansel and Gretel, Pee Wee's Playhouse, Vincent, Sleepy Hollow, Frankenweenie, Luau, Dr. of Doom, Stalk of the Selery, Island of Dr. Ingor, Nightmare before Christmas)
Rob Zemeckis (films: Back to the Future trilogy, Cast Away, Forrest Gump, Beowulf, Who Framed Roger Rabbit, What Lies Beneath, Polar Express, Contact, Used Cars (1980), I Want to Hold Your Hand (1978), Field of Honor (1973), The Lift (1972), Death Becomes Her)
Woody Allen (films: Sleeper, Bannanas, Annie Hall, Purple Rose of Cairo, Manhattan, Manhattan Murder Mystery, Mighty Aphrodite, Hannah and her Sisters, Crimes and Misdemeanors, Match Point, Melinda and Melinda, Small Time Crooks, Sweet and Lowdown, Bullets over Broadway, Deconstructing Harry, Everyone Says I Love You, Curse of the Jaded Scorpion, Everything You Always Wanted to Know about Sex but were Too Afraid to Ask, Hollywood Ending, etc)
Ivan Reitman (films: Ghostbusters, Ghostbusters II, Legal Eagles, Twins, Six Days Seven Nights, Stripes, Evolution, Junior, Dave, Kindergarten Cop, Fathers Day, Orientation, Cooking Lady, Cannibal Girls, My Super Ex Girlfriend, Foxy Lady)
Martin Scorsese films (his films: Mean Streets; New York, New York; Last King of Comedy, Kundun, Gangs of New York, Casino, Taxi Driver, Goodfellas, Aviator, Raging Bull, Departed, Last Temptation of Christ, Cape Fear, Bringing out the Dead, Alice Doesn't Live Here Anymore, Color of Money, Boxcar Bertha, Age of Innocence, Last Waltz, After Hours)