CREATE TABLE table_22547 ("Fuel gas" TEXT, "Upper index Kcal/ Nm 3" FLOAT, "Lower index Kcal/ Nm 3" FLOAT, "Upper index MJ/ Nm 3" TEXT, "Lower index MJ/ Nm 3" TEXT)

Name the lower index kcal/ nm3 for 61.32
SELECT "Lower index Kcal/ Nm 3" FROM table_22547 WHERE "Upper index MJ/ Nm 3" = '61.32'
SELECT "Lower index Kcal/ Nm 3" FROM "table_22547" WHERE "Upper index MJ/ Nm 3" = '61.32'