CREATE TABLE table_name_12 (height__cm_ NUMBER, position VARCHAR2, name VARCHAR2)

Which Height (cm) has a Position of d, and a Name of jeff hymanson?
SELECT MIN(height__cm_) FROM table_name_12 WHERE position = "d" AND name = "jeff hymanson"
SELECT MIN("height__cm_") FROM "table_name_12" WHERE "d" = "position" AND "jeff hymanson" = "name"