CREATE TABLE player (player_id NUMBER, player CLOB, years_played CLOB, total_wl CLOB, singles_wl CLOB, doubles_wl CLOB, team NUMBER)
CREATE TABLE match_season (season NUMBER, player CLOB, position CLOB, country NUMBER, team NUMBER, draft_pick_number NUMBER, draft_class CLOB, college CLOB)
CREATE TABLE team (team_id NUMBER, name CLOB)
CREATE TABLE country (country_id NUMBER, country_name CLOB, capital CLOB, official_native_language CLOB)

What are the players who played for Columbus Crew, and how many years did each play for?
SELECT T1.player, T1.years_played FROM player AS T1 JOIN team AS T2 ON T1.team = T2.team_id WHERE T2.name = "Columbus Crew"
SELECT "T1"."player", "T1"."years_played" FROM "player" "T1" JOIN "team" "T2" ON "Columbus Crew" = "T2"."name" AND "T1"."team" = "T2"."team_id"