CREATE TABLE table_name_80 (white VARCHAR, opening VARCHAR, year VARCHAR, moves VARCHAR, black VARCHAR)
What's the white of E93 King's Indian Defence when Kasparov was black, moves were greater than 19, and happened before 2000?
SELECT white FROM table_name_80 WHERE moves > 19 AND black = "kasparov" AND year < 2000 AND opening = "e93 king's indian defence"