Table: us_national_hockey_players_6
Columns: position
jersey
name
height_cm
weight_kg
birthdate
birthplace
2008_2009_team

Question: What is the lowest jersey # of the player with a height of 191 cm from the New Jersey Devils in 2008-2009?
SQL: SELECT MIN("jersey") FROM us_national_hockey_players_6 WHERE "height_cm" = 191 AND "2008_2009_team" = 'new jersey devils'

Question: What is the total height of the player with a birthdate on September 2, 1973?
SQL: SELECT COUNT("height_cm") FROM us_national_hockey_players_6 WHERE "birthdate" = 'september 2, 1973'

Question: What is the birthdate of Robert Esche?
SQL: SELECT "birthdate" FROM us_national_hockey_players_6 WHERE "name" = 'robert esche'

Question: What is the position of the player with a jersey # greater than 30 and a December 23, 1986 birthdate?
SQL: SELECT "position" FROM us_national_hockey_players_6 WHERE "jersey" > 30 AND "birthdate" = 'december 23, 1986'

Question: What is the weight of John-Michael Liles?
SQL: SELECT "weight_kg" FROM us_national_hockey_players_6 WHERE "name" = 'john-michael liles'