question: What is the Lower index Kcal/ Nm 3 entry, for the row with entries of an Upper index Kcal/ Nm 3 smaller than 19,376, and a Lower index MJ/ Nm 3 of 74.54?
answer: SELECT AVG(lower_index_kcal__nm_3) FROM table_name_5 WHERE lower_index_mj__nm_3 = 74.54 AND upper_index_kcal__nm_3 < 19 OFFSET 376
context: CREATE TABLE table_name_5 (lower_index_kcal__nm_3 INTEGER, lower_index_mj__nm_3 VARCHAR, upper_index_kcal__nm_3 VARCHAR)