CREATE TABLE table_name_41 (senior_pga_championship VARCHAR, senior_british_open VARCHAR)

When Tom Watson (5/6) won the Senior British Open who won the Senior PGA Championship?
SELECT senior_pga_championship FROM table_name_41 WHERE senior_british_open = "tom watson (5/6)"
SELECT "senior_pga_championship" FROM "table_name_41" WHERE "senior_british_open" = "tom watson (5/6)"