CREATE TABLE table_30435 ("Club name" CLOB, "Name of team song" CLOB, "Basis for team song" CLOB, "First used as team song" CLOB, "Writer/composer" CLOB)

What is the name of the team song written by ken walther?
SELECT "Basis for team song" FROM table_30435 WHERE "Writer/composer" = 'Ken Walther'
SELECT "Basis for team song" FROM "table_30435" WHERE "Writer/composer" = 'Ken Walther'