CREATE TABLE table_61900 ("Year" FLOAT, "Edition" CLOB, "Round" CLOB, "Date" CLOB, "Location" CLOB, "Surface" CLOB, "Against" CLOB, "Opponent ( s ) " CLOB, "Score" CLOB, "Result" CLOB)

Which Year has a Date of 5 6 february?
SELECT AVG("Year") FROM table_61900 WHERE "Date" = '5–6 february'
SELECT AVG("Year") FROM "table_61900" WHERE "Date" = '5–6 february'