CREATE TABLE table_203_192 (id DECIMAL, "year" DECIMAL, "competition" TEXT, "venue" TEXT, "position" TEXT, "notes" TEXT)

the number of times david oliver placed 1st in 100m hurdles between the years 2006-2013 .
SELECT COUNT(*) FROM table_203_192 WHERE "position" = 1 AND "notes" = '110 m hurdles'
SELECT COUNT(*) FROM "table_203_192" WHERE "notes" = '110 m hurdles' AND "position" = 1