CREATE TABLE table_62531 ("Name / Generation" CLOB, "Model" CLOB, "Frequency [MHz]" CLOB, "Architecture version" CLOB, "Cores" CLOB, "Process [nm]" CLOB)

What is the architecture version of Model 1b?
SELECT "Architecture version" FROM table_62531 WHERE "Model" = '1b'
SELECT "Architecture version" FROM "table_62531" WHERE "Model" = '1b'