CREATE TABLE table_7499 ("Player" TEXT, "Matches" FLOAT, "Innings" FLOAT, "Not Out" FLOAT, "Runs" FLOAT, "High Score" TEXT, "Average" TEXT, "Strike Rate" TEXT, "100s" FLOAT)

What was Matthew Hoggard's high score when he had a strike rate of n/a?
SELECT "High Score" FROM table_7499 WHERE "Strike Rate" = 'n/a' AND "Player" = 'matthew hoggard'
SELECT "High Score" FROM "table_7499" WHERE "Player" = 'matthew hoggard' AND "Strike Rate" = 'n/a'