CREATE TABLE table_name_4 (no_s_ VARCHAR2, height_in_ft VARCHAR2, position VARCHAR2)

Name the numbers for the player with a height in ft of 6-7 for the guard
SELECT no_s_ FROM table_name_4 WHERE height_in_ft = "6-7" AND position = "guard"
SELECT "no_s_" FROM "table_name_4" WHERE "6-7" = "height_in_ft" AND "guard" = "position"