SELECT "Vivek Express /15905/15906" FROM table_28995 WHERE "Kanyakumari" = 'Bhavnagar'
What is the name of the only route that runs to bhavnagar?
CREATE TABLE table_28995 (
    "Dibrugarh" text,
    "Kanyakumari" text,
    "Vivek Express /15905/15906" text,
    "Indian Railways" text,
    "4286km" text,
    "55" real,
    "Weekly" text,
    "82.30 hrs(~3.5 days)" text
)