CREATE TABLE table_51513 ("Channel" FLOAT, "Video" CLOB, "Aspect" CLOB, "PSIP Short Name" CLOB, "Network" CLOB)

What is ion life network's PSIP Short Name?
SELECT "PSIP Short Name" FROM table_51513 WHERE "Network" = 'ion life'
SELECT "PSIP Short Name" FROM "table_51513" WHERE "Network" = 'ion life'