CREATE TABLE "friendly" (
  "match" real,
  "date" text,
  "competition_or_tour" text,
  "ground" text,
  "opponent" text,
  "score1" text
);

Question: What is the date ground A and Cartagena as an opponent?
SQL: SELECT "date" FROM "friendly" WHERE "ground"='a' AND "opponent"='cartagena';

Question: What ground has a match smaller than 2?
SQL: SELECT "ground" FROM "friendly" WHERE "match"<2;

Question: What is the score of the competition of friendly, at match 7?
SQL: SELECT "score1" FROM "friendly" WHERE "competition_or_tour"='friendly' AND "match"=7;