Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Tie no | Home team | Score | Away team | Attendance |
| --- | --- | --- | --- | --- |
| 3 | AFC Wimbledon | 0–2 | Whyteleafe | 529 |
| 4 | AFC Hornchurch | 3–0 | Tilbury | 182 |
| 5 | Arlesey Town | 4–0 | Enfield Town | 75 |
| 6 | Ashford Town (Middx) | 2–1 | Walton & Hersham | 93 |
| 7 | Ashford Town (Kent) | 1–3 | Burgess Hill Town | 110 |
| 8 | Billericay Town | 0–3 | AFC Sudbury | 202 |
| 9 | Bury Town | 2–3 | Chelmsford City | 206 |
| 10 | Carshalton Athletic | 4–0 | Corinthian-Casuals | 75 |
| 11 | Dartford | 3–0 | Aveley | 318 |
| 12 | Dover Athletic | 2–3 | Eastbourne Town | 151 |
| 13 | Dulwich Hamlet | 0–0 | Tooting & Mitcham United | 149 |
| Tooting & Mitcham United advance 5–3 on penalties | Tooting & Mitcham United advance 5–3 on penalties | Tooting & Mitcham United advance 5–3 on penalties | Tooting & Mitcham United advance 5–3 on penalties | Tooting & Mitcham United advance 5–3 on penalties |
| 14 | Edgware Town | 3–1 | Staines Town | 48 |
| 15 | Great Wakering Rovers | 4–1 | Ilford | 115 |
| 16 | Harlow Town | 1–3 | Ware | 131 |
| 17 | Harrow Borough | 0–5 | Metropolitan Police | 76 |
| 18 | Hendon | 2–3 | Boreham Wood | 101 |
| 19 | Horsham | 4–0 | Hastings United | 162 |
| 20 | Horsham YMCA | 4–3 | Folkestone Invicta | 50 |
| 21 | Kingstonian | 3–1 | Cray Wanderers | 179 |
| 22 | Leatherhead | 3–2 | Croydon Athletic | 67 |
| 23 | Maidstone United | 5–2 | Canvey Island | 131 |
| 24 | Margate | 2–3 | East Thurrock United | 174 |
| 25 | Molesey | 2–3 | Wealdstone | 106 |
| 26 | Potters Bar Town | 3–1 | Leyton | 41 |
| 27 | Ramsgate | 4–2 | Chatham Town | 87 |
| 28 | Redbridge | 2–1 | Sittingbourne | 41 |
| 29 | Tonbridge Angels | 4–1 | Chipstead | 159 |
| 30 | Waltham Abbey | 3–1 | Wingate & Finchley | 41 |
| 31 | Walton Casuals | 1–0 | Northwood | 34 |
| 32 | Whitstable Town | 4–3 | Worthing | 110 |
| 33 | Witham Town | 1–0 | Maldon Town | 87 |
| 34 | Wivenhoe Town | 0–2 | Heybridge Swifts | 44 |
Question:
What was the Tie no when the away team was east thurrock united?
Answer:
24.0