Table schema:
CREATE TABLE table_name_94 (barrow_island_australia INTEGER, draugen_north_sea VARCHAR, mutineer_exeter_australia VARCHAR)

Question: What is the average Barrow Island Australia when Draugen north sea is 17 and Mutineer-Exeter Australia is smaller than 6?
SQL: SELECT AVG(barrow_island_australia) FROM table_name_94 WHERE draugen_north_sea = 17 AND mutineer_exeter_australia < 6