CREATE TABLE table_34561 ("Year" CLOB, "Team" CLOB, "Progress" CLOB, "Score" CLOB, "Opponents" CLOB)

Which Opponents have a Year of 1999 2000, and a Team of leeds united?
SELECT "Opponents" FROM table_34561 WHERE "Year" = '1999–2000' AND "Team" = 'leeds united'
SELECT "Opponents" FROM "table_34561" WHERE "Team" = 'leeds united' AND "Year" = '1999–2000'