CREATE TABLE table_75918 ("Name" TEXT, "Height" TEXT, "Position" TEXT, "Year" TEXT, "Home Town" TEXT)

What position does the 5-8 player from Grottoes, VA play?
SELECT "Position" FROM table_75918 WHERE "Height" = '5-8' AND "Home Town" = 'grottoes, va'
SELECT "Position" FROM "table_75918" WHERE "Height" = '5-8' AND "Home Town" = 'grottoes, va'