CREATE TABLE table_57809 ("Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent in the final" CLOB, "Score" CLOB)

Who is the opponent in the final with a clay surface at the Tournament of Lyneham?
SELECT "Opponent in the final" FROM table_57809 WHERE "Surface" = 'clay' AND "Tournament" = 'lyneham'
SELECT "Opponent in the final" FROM "table_57809" WHERE "Surface" = 'clay' AND "Tournament" = 'lyneham'