CREATE TABLE table_8506 ("White" CLOB, "Black" CLOB, "Year" FLOAT, "Result" CLOB, "Moves" FLOAT, "Tournament" CLOB, "Opening" CLOB)

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_8506 WHERE "Moves" > '19' AND "Black" = 'kasparov' AND "Year" < '2000' AND "Opening" = 'e93 king''s indian defence'
SELECT "White" FROM "table_8506" WHERE "Black" = 'kasparov' AND "Moves" > '19' AND "Opening" = 'e93 king''s indian defence' AND "Year" < '2000'