What is the fewest amount of Pro Bowl appearances any of the players had? 
CREATE TABLE "table1_274117_5" (
  "number" real,
  "player" text,
  "position" text,
  "seasons_by_team" text,
  "year_of_induction_into_pro_football_hall_of_fame" text
);
SELECT MIN("number") FROM "table1_274117_5";