CREATE TABLE "round_of_16" (
  "team_1" text,
  "agg" text,
  "team_2" text,
  "1st_leg" text,
  "2nd_leg" text
);

Question: What is the first leg score in that match where Marseille was the first team?
SQL: SELECT "1st_leg" FROM "round_of_16" WHERE "team_1"='marseille';