CREATE TABLE table_name_28 (round INT, overall VARCHAR, player VARCHAR)

Name the average round where Dave Stachelski was picked smaller than 187.
SELECT AVG(round) FROM table_name_28 WHERE overall < 187 AND player = "dave stachelski"
SELECT AVG("round") FROM "table_name_28" WHERE "dave stachelski" = "player" AND "overall" < 187