user: Question: On the date of 20 July 1999 what is the English abbr.?
Columns: ['Group name', 'English abbr.', 'French abbr.', 'Formal European Parliament name', 'From']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['European Democratic Union', 'n/a', 'UDE', 'European Democratic Union Group', '21 January 1965']
SQL:

assistant: SELECT "English abbr." FROM "Table" WHERE "From" = '20 July 1999';