What is jamar martin's highest pick?
CREATE TABLE "2001_ohio_state_buckeyes_football_team" (
  "player" text,
  "round" real,
  "pick" real,
  "position" text,
  "nfl_club" text
);
SELECT MAX("pick") FROM "2001_ohio_state_buckeyes_football_team" WHERE "player"='jamar martin';