CREATE TABLE table_64434 ("Fuel gas" CLOB, "Upper index Kcal/ Nm 3" FLOAT, "Lower index Kcal/ Nm 3" FLOAT, "Upper index MJ/ Nm 3" FLOAT, "Lower index MJ/ Nm 3" FLOAT)

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?
SELECT AVG("Lower index Kcal/ Nm 3") FROM table_64434 WHERE "Lower index MJ/ Nm 3" = '74.54' AND "Upper index Kcal/ Nm 3" < '19,376'
SELECT AVG("Lower index Kcal/ Nm 3") FROM "table_64434" WHERE "Lower index MJ/ Nm 3" = '74.54' AND "Upper index Kcal/ Nm 3" < '19,376'