Table: ep_groups
Columns: group_name
english_abbr
french_abbr
formal_european_parliament_name
from

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

Question: What is the date for the group union for Europe?
SQL: SELECT "from" FROM ep_groups 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 ep_groups WHERE "from" = '20 july 1999'

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