Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_203_151 ( id number, "no." number, "date" text, "tournament" text, "winning score" text, "margin of\nvictory" text, "runner(s)-up" text )

### Question ###
who had the top score in the pga championship ?

### Accurate SQL ###

SELECT "runner(s)-up" FROM table_203_151 WHERE "tournament" = 'pga championship'