Table: us_national_hockey_players_8
Columns: position
jersey
name
height_cm
weight_kg
birthdate
birthplace
previous_club_team

Question: Which name's height in centimeters is 178 when its weight in kilograms is less than 91?
SQL: SELECT "name" FROM us_national_hockey_players_8 WHERE "height_cm" = 178 AND "weight_kg" < 91