CREATE TABLE table_63477 ("District" FLOAT, "Incumbent" CLOB, "2008 Status" CLOB, "Democratic" CLOB, "Republican" CLOB, "Green" CLOB)

Who was the incumbent when Bo Itshaky was the Republican?
SELECT "Incumbent" FROM table_63477 WHERE "Republican" = 'bo itshaky'
SELECT "Incumbent" FROM "table_63477" WHERE "Republican" = 'bo itshaky'