Based on the clue '23rd letter of the greek alphabet', what is the answer?

What is associated with: 23000 casualties were suffered at the battle of pittsburg landing also known by this name? What is associated with: 2313 red river street austin texas? What is associated with: 233 billion gets sheldon adelson to no 16 his 19 billion palazzo resort opened in this city in… Based on the clue '238 warns not to take one of these inducements for...', what is the answer? Based on the clue '24 across berth place 4', what is the answer? What is referred to by '24 hour traveler'? What is referred to by '24 star kiefer'? Based on the clue '24 tales are linked in this chaucer masterpiece', what is the answer?