Table: shadow_episodes_2
Columns: episode
title
writer_s
preservation
original_airdate

Question: What date did Episode 2-01 (42) air?
SQL: SELECT "original_airdate" FROM shadow_episodes_2 WHERE "episode" = '2-01 (42)'

Question: Who wrote Episode 2-15 (56)?
SQL: SELECT "writer_s" FROM shadow_episodes_2 WHERE "episode" = '2-15 (56)'