CREATE TABLE table_71986 ("Outcome" TEXT, "Date" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponents" TEXT, "Score" TEXT)

What was Olga Govortsova's score when she played on a clay surface on 19 May 2008?
SELECT "Score" FROM table_71986 WHERE "Surface" = 'clay' AND "Date" = '19 may 2008'
SELECT "Score" FROM "table_71986" WHERE "Date" = '19 may 2008' AND "Surface" = 'clay'