CREATE TABLE table_203_376 (id NUMBER, "no." NUMBER, "name" CLOB, "term of office" CLOB, "president ( s )  served under" CLOB)

what were the total number of years bob martinez served in office ?
SELECT "term of office" - "term of office" FROM table_203_376 WHERE "name" = 'bob martinez'
SELECT "term of office" - "term of office" FROM "table_203_376" WHERE "name" = 'bob martinez'