CREATE TABLE table_55155 ("Entrant" CLOB, "Constructor" CLOB, "Chassis" CLOB, "Engine \\u2020" CLOB, "Tyre" CLOB, "Driver" CLOB, "Rounds" CLOB, "Free Practice driver ( s ) " CLOB)

who is the constructor when the driver is juan pablo montoya?
SELECT "Constructor" FROM table_55155 WHERE "Driver" = 'juan pablo montoya'
SELECT "Constructor" FROM "table_55155" WHERE "Driver" = 'juan pablo montoya'