CREATE TABLE table_27731 ("Number" FLOAT, "Name" CLOB, "Vertices" CLOB, "Hypotenuse 0 c" CLOB, "Vertical 0 b" CLOB, "Horizontal 0 a" CLOB)

Name the vertical for ys
SELECT "Vertical 0 b" FROM table_27731 WHERE "Horizontal 0 a" = '明勾（YS月南）'
SELECT "Vertical 0 b" FROM "table_27731" WHERE "Horizontal 0 a" = '明勾（YS月南）'