CREATE TABLE table_16891 ("Name of ground" CLOB, "Location" CLOB, "First-class span" CLOB, "Worcs f-c matches" FLOAT, "List A span" CLOB, "Worcs LA matches" FLOAT)

There were 68 worcs f-c matches played on Chester Road North Ground.
SELECT "Worcs f-c matches" FROM table_16891 WHERE "Name of ground" = 'Chester Road North Ground'
SELECT "Worcs f-c matches" FROM "table_16891" WHERE "Name of ground" = 'Chester Road North Ground'