CREATE TABLE "list_of_united_states_national_ice_hocke" (
  "position" text,
  "name" text,
  "height_cm" real,
  "weight_kg" real,
  "birthdate" text,
  "birthplace" text,
  "1997_1998_team" text
);

Question: What position did the player play who weighed less thna 91 kg and was born on March 5, 1977?
SQL: SELECT "position" FROM "list_of_united_states_national_ice_hocke" WHERE "weight_kg"<91 AND "birthdate"='march 5, 1977';