SWEET SIXTEEN: North & South Regions

NORTH:

The answer to the high seed of game E is 50.

Game E:
H: All Systems University
L: Marginal Benefit University

Game F:
H: Texas Texas
L: Best Picture

SOUTH:
Game E:
H: The number on the "Take 6" card in Decennial Edition of Wolfgang Kramer and Richard Ulrich's El Grande.

L: [(A*B*C*D)/(E*F*G*H)]+I, where

A: Soldiers, without embracing temptation, retreated. (8)
B: Mathematical constant, a negative, on the keyboard. (5)
C: First two letters, less one, are the entire set? (8)
D: Boss beginning to investigate office workplace. (6)
E: Inspector sounds uninterested in pattern. (11)
F: Mixing lobster, beef to create pub favorite. (7,2,4)
G: Stages of a dance. (5)
H: Magician producing rabbit sporting achievement of goals. (3,5)
I: Headliner for Tenacious D on the roster for casino game. (9)

Game F:
H:

L:  Last two digits of the only zip code that, because of its corresponding town name, could theoretically join and complete the set of two other zip codes X and Y, where X + Y is the zip code of the town whose name is formed by concatenating (the surname of the actor or actress who was born N + P days before the individual who wrote a novel whose title character's residence, when entered into a standard telephone keypad, forms the number that is P times the Dewey Decimal System classification number most closely corresponding to the categorization of a book written on the item mentioned in quotation marks in the preface to the notable play written less than a year after the same playwright's Androcles and the Lion, where N > P and the concatenation of N and P in that order equals the only area code to serve at least part of both the northern and southern borders of the state whose seal features the detail seen below) and (the last syllable of the character surname of the actor or actress's final role) and X - Y is the reversal (12345's reversal is 54321) of the zip code of the town that shares its name with that of the original album to contain the Zth greatest song on Rolling Stone's list of the 500 greatest songs of all time, where the Zth occurrence of the letter E in the first chapter of the aforementioned novel occurs in the word "drew."