CREATE TABLE "national_conservatives" (
  "group_name" text,
  "english_abbr" text,
  "french_abbr" text,
  "formal_european_parliament_name" text,
  "from" text
);

Question: On the date of 20 July 1999 what is the English abbr.?
SQL: SELECT "english_abbr" FROM "national_conservatives" WHERE "from"='20 july 1999';

Question: What is the date for the group union for Europe?
SQL: SELECT "from" FROM "national_conservatives" WHERE "group_name"='group union for europe';

Question: What is the group name on the date of 20 July 1999?
SQL: SELECT "group_name" FROM "national_conservatives" WHERE "from"='20 july 1999';

Question: For the group name European Progressive Democrats what is the French abbr?
SQL: SELECT "french_abbr" FROM "national_conservatives" WHERE "group_name"='european progressive democrats';