CREATE TABLE "first_phase" (
  "position" real,
  "club" text,
  "played" real,
  "points" text,
  "wins" real,
  "draws" real,
  "losses" real,
  "goals_for" real,
  "goals_against" real,
  "goal_difference" real
);

Question: How many losses had a played number that was more than 34?
SQL: SELECT COUNT("losses") FROM "first_phase" WHERE "played">34;

Question: Which highest 'goals against' number had wins of 19 and a 'goals for' number that was bigger than 53?
SQL: SELECT MAX("goals_against") FROM "first_phase" WHERE "wins"=19 AND "goals_for">53;

Question: Which mean number of losses had a played number that was bigger than 34?
SQL: SELECT AVG("losses") FROM "first_phase" WHERE "played">34;

Question: Which lowest goals for number had a played number of less than 34?
SQL: SELECT MIN("goals_for") FROM "first_phase" WHERE "played"<34;

Question: Which Played number had a goal difference of more than 0 when the club was Valencia CF?
SQL: SELECT COUNT("played") FROM "first_phase" WHERE "goal_difference">0 AND "club"='valencia cf';