CREATE TABLE table_203_94 (id NUMBER, "year" NUMBER, "player" CLOB, "country" CLOB, "score" CLOB, "to par" NUMBER, "margin\ of victory" CLOB, "course" CLOB, "location" CLOB, "purse  ( $ ) " NUMBER, "winner's\ share  ( $ ) " NUMBER)

count the number of times the western open has been held at the cog hill golf and country club since 2007 .
SELECT COUNT(*) FROM table_203_94 WHERE "course" = 'cog hill golf & country club'
SELECT COUNT(*) FROM "table_203_94" WHERE "course" = 'cog hill golf & country club'