CREATE TABLE "centuries_in_the_friends_life_t20" (
  "rank" real,
  "player" text,
  "team" text,
  "runs" text,
  "balls" real,
  "year" real,
  "against" text
);

Question: Which player had 50 balls?
SQL: SELECT "player" FROM "centuries_in_the_friends_life_t20" WHERE "balls"=50;