Table: cro_fed_cup_players
Columns: player
w_l_total
w_l_singles
w_l_doubles
ties
debut
years_played

Question: What is the highest number of ties?
SQL: SELECT MAX("ties") FROM cro_fed_cup_players

Question: During the 2013 debut, what is the w-I(total) number?
SQL: SELECT COUNT("w_l_total") FROM cro_fed_cup_players WHERE "debut" = 2013