CREATE TABLE "injured_players" (
  "position" text,
  "number" real,
  "name" text,
  "class" text,
  "injury_status" text,
  "last_update" text
);

Question: for the position of rb what is the name?
SQL: SELECT "name" FROM "injured_players" WHERE "position"='rb';

Question: for the name of joe surratt what is the last update?
SQL: SELECT "last_update" FROM "injured_players" WHERE "name"='joe surratt';

Question: for the name of jamar jackson what is the last update?
SQL: SELECT "last_update" FROM "injured_players" WHERE "name"='jamar jackson';

Question: for the name of jamar jackson what is the class?
SQL: SELECT "class" FROM "injured_players" WHERE "name"='jamar jackson';

Question: for the name of jamar jackson what is the total of Number?
SQL: SELECT COUNT("number") FROM "injured_players" WHERE "name"='jamar jackson';