Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_47838 ( "Tie no" text, "Home team" text, "Score" text, "Away team" text, "Date" text )

### Question ###
What is the tie number in the game on 5 January 1986 where Exeter City is the away team?

### Accurate SQL ###

SELECT "Tie no" FROM table_47838 WHERE "Date" = '5 january 1986' AND "Away team" = 'exeter city'