Table: how_its_made_episodes_11
Columns: series_ep
episode
segment_a
segment_b
segment_c
segment_d

Question: What is listed in segment b when segment c is artificial flowers?
SQL: SELECT "segment_b" FROM how_its_made_episodes_11 WHERE "segment_c" = 'Artificial Flowers'

Question: What are the titles of segment c when segment d is motorcycle brake locks?
SQL: SELECT "segment_c" FROM how_its_made_episodes_11 WHERE "segment_d" = 'Motorcycle Brake Locks'

Question: What are the titles of segment c for series episode is 21-08?
SQL: SELECT "segment_c" FROM how_its_made_episodes_11 WHERE "series_ep" = '21-08'

Question: What are the titles of segment b when segment c is standby generators (part 1)?
SQL: SELECT "segment_b" FROM how_its_made_episodes_11 WHERE "segment_c" = 'Standby Generators (Part 1)'

Question: What are the titles of segment a for series episode 21-12?
SQL: SELECT "segment_a" FROM how_its_made_episodes_11 WHERE "series_ep" = '21-12'