CREATE TABLE "professional_players" (
  "player" text,
  "position" text,
  "league" text,
  "team" text,
  "years" text
);

Question: What years did Alvin Mitchell play?
SQL: SELECT "years" FROM "professional_players" WHERE "player"='alvin mitchell';

Question: Who is the player on a team from the 1970s?
SQL: SELECT "player" FROM "professional_players" WHERE "team"='1970s';

Question: What team does Oliver Dobbins play for?
SQL: SELECT "team" FROM "professional_players" WHERE "player"='oliver dobbins';