CREATE TABLE "records" (
  "world_record" text,
  "snatch" text,
  "chen_yanqing_chn" text,
  "111kg" text,
  "doha_qatar" text
);

Question: What is the Doha, Qatar when the snatch is total?
SQL: SELECT "doha_qatar" FROM "records" WHERE "snatch"='total';

Question: What shows for Chen Yanqing (CHN) when Doha, Qatar is —?
SQL: SELECT "chen_yanqing_chn" FROM "records" WHERE "doha_qatar"='—';

Question: What is the Doha, Qatar when the snatch is clean & jerk?
SQL: SELECT "doha_qatar" FROM "records" WHERE "snatch"='clean & jerk';